diff --git a/fullday-video.sh b/fullday-video.sh
deleted file mode 100755
index 29e536d..0000000
--- a/fullday-video.sh
+++ /dev/null
@@ -1,70 +0,0 @@
-#!/bin/bash
-# fullday-video.sh — create a natural-speed timelapse of yesterday's full day of
-# images at a fixed frame rate.  Files older than RETENTION_DAYS are deleted
-# automatically.  Sunrise 10-second uploads and montage videos are NOT touched.
-#
-# Run once per day from cron (e.g. 02:00 daily, after 4-seasons.sh).
-
-set -euo pipefail
-
-SCRIPT_DIR="$(dirname "$(realpath "$0")")"
-source "$SCRIPT_DIR/sky-cam.conf"
-
-# Camera name: first argument overrides conf (systemd passes it via ExecStart).
-CAM_NAME="${1:-$SUNRISE_CAM}"
-
-# ── Configuration ──────────────────────────────────────────────────────────────
-base_dir="$BASE_DIR"
-# FULLDAY_FPS and RETENTION_DAYS come from sky-cam.conf
-
-# ── Date / paths ──────────────────────────────────────────────────────────────
-yesterday=$(date --date="yesterday" +%Y-%m-%d)
-image_dir="$base_dir/$CAM_NAME/$yesterday"
-output_dir="$MOVIES_DIR/$CAM_NAME/fullday"
-mkdir -p "$output_dir"
-
-# ── Purge old full-day videos ─────────────────────────────────────────────────
-echo "Removing full-day videos older than $RETENTION_DAYS days..."
-find "$output_dir" -maxdepth 1 -name "*-fullday.mp4" -mtime "+$RETENTION_DAYS" -delete
-
-# ── Sanity checks ─────────────────────────────────────────────────────────────
-if [ ! -d "$image_dir" ]; then
-    echo "WARNING: Image directory $image_dir not found — skipping."
-    exit 0
-fi
-
-num_images=$(find "$image_dir" -type f -name "*.jpg" | wc -l)
-if [ "$num_images" -lt 1 ]; then
-    echo "WARNING: No images in $image_dir — skipping."
-    exit 0
-fi
-
-frame_dur=$(echo "scale=6; 1 / $FULLDAY_FPS" | bc)
-approx_min=$(echo "scale=1; $num_images / $FULLDAY_FPS / 60" | bc)
-echo "Images: $num_images at ${FULLDAY_FPS} fps  ≈ ${approx_min} min"
-
-# ── Build concat list with per-frame duration ─────────────────────────────────
-# The concat demuxer needs an explicit duration per image; the last file is
-# repeated without a duration to correctly anchor the final frame's pts.
-temp_list=$(mktemp --suffix=.txt)
-trap 'rm -f "$temp_list"' EXIT
-
-find "$image_dir" -type f -name "*.jpg" | sort | while read -r img; do
-    printf "file '%s'\nduration %s\n" "$img" "$frame_dur"
-done > "$temp_list"
-
-# Append last image again (required by ffmpeg concat demuxer for images)
-last_img=$(find "$image_dir" -type f -name "*.jpg" | sort | tail -n 1)
-printf "file '%s'\n" "$last_img" >> "$temp_list"
-
-# ── Encode — native camera resolution, no audio ───────────────────────────────
-output_file="$output_dir/${yesterday}-fullday.mp4"
-echo "Creating: $output_file"
-
-ffmpeg -loglevel warning \
-    -f concat -safe 0 -i "$temp_list" \
-    -c:v libx264 -pix_fmt yuv420p -crf "$CRF_FULLDAY" \
-    -an -y "$output_file"
-
-actual_dur=$(ffprobe -v error -show_entries format=duration -of csv=p=0 "$output_file")
-echo "Done: $output_file  (${actual_dur}s / $(echo "scale=1; $actual_dur/60" | bc) min)"
diff --git a/install.sh b/install.sh
index a6e5823..a4bb3a3 100755
--- a/install.sh
+++ b/install.sh
@@ -176,12 +176,11 @@ if [ "${AUDIO_ENABLED:-false}" = "true" ]; then
     timers+=("sky-cam-audio-capture")
 fi
 
-# ── Per-camera Four Seasons and full-day jobs ─────────────────────────────────
-# Reads CAMERAS, SCHEDULE_SEASONS_<cam>, SCHEDULE_FULLDAY_<cam> from sky-cam.conf.
-# Scripts receive the camera name as $1 so they know which camera to process.
+# ── Per-camera Four Seasons jobs ─────────────────────────────────────────────
+# Reads CAMERAS and SCHEDULE_SEASONS_<cam> from sky-cam.conf.
+# Script receives the camera name as $1 so it knows which camera to process.
 for cam in "${CAMERAS[@]}"; do
     sched_seasons_var="SCHEDULE_SEASONS_${cam}"
-    sched_fullday_var="SCHEDULE_FULLDAY_${cam}"
 
     if [ -n "${!sched_seasons_var:-}" ]; then
         write_service "sky-cam-seasons-${cam}" \
@@ -194,17 +193,6 @@ for cam in "${CAMERAS[@]}"; do
     else
         echo "  WARNING: SCHEDULE_SEASONS_${cam} not set — skipping seasons timer for ${cam}"
     fi
-
-    if [ -n "${!sched_fullday_var:-}" ]; then
-        write_service "sky-cam-fullday-${cam}" \
-            "${cam}: full-day timelapse" \
-            "fullday-video.sh ${cam}"
-        write_timer "sky-cam-fullday-${cam}" "${cam}: full-day timelapse" \
-            "${!sched_fullday_var}"
-        timers+=("sky-cam-fullday-${cam}")
-    else
-        echo "  WARNING: SCHEDULE_FULLDAY_${cam} not set — skipping fullday timer for ${cam}"
-    fi
 done
 
 # ── Generate .env.example ────────────────────────────────────────────────────
diff --git a/montage-mvt.sh b/montage-mvt.sh
index 9854385..7601c91 100755
--- a/montage-mvt.sh
+++ b/montage-mvt.sh
@@ -195,16 +195,28 @@ if ffmpeg -loglevel warning \
     -t "$music_duration" -y "$output_file"; then
     rm -f "$sped_file"
     echo "Done: $output_file"
+
+    # ── Post-build checks ─────────────────────────────────────────────────────
+    actual_dur=$(ffprobe -v error -show_entries format=duration -of csv=p=0 "$output_file")
+    dur_delta=$(echo "scale=1; $actual_dur - $music_duration" | bc | sed 's/^-//')
+    stream_types=$(ffprobe -v error -show_entries stream=codec_type -of csv=p=0 "$output_file" 2>/dev/null)
+    has_video=$(echo "$stream_types" | grep -c "video" || true)
+    has_audio=$(echo "$stream_types" | grep -c "audio" || true)
+    checks="duration=${actual_dur}s (drift ${dur_delta}s)"
+    [ "$has_video" -gt 0 ] && checks="$checks  video=ok" || checks="$checks  video=MISSING"
+    [ "$has_audio" -gt 0 ] && checks="$checks  audio=ok" || checks="$checks  audio=MISSING"
+    echo "Checks: $checks"
+
     "$SCRIPT_DIR/notify.sh" \
-        "Montage ready: $SEASON Mvt $MVT_NUM ($ASTRO_YEAR)" \
-        "$(basename "$output_file") — ${music_duration}s" \
+        "Montage ready: $SEASON Mvt $MVT_NUM ($ASTRO_YEAR) [$CAM_NAME]" \
+        "$(basename "$output_file") | $checks | verify: ./verify-mvt.sh $ASTRO_YEAR $SEASON $MVT_NUM $CAM_NAME" \
         || true
 else
     mv "$sped_file" "$output_file"
     echo "Music+overlay failed — silent video promoted to: $output_file"
     "$SCRIPT_DIR/notify.sh" \
-        "WARNING: montage audio+overlay failed — $SEASON Mvt$MVT_NUM ($ASTRO_YEAR)" \
-        "Silent video saved as $(basename "$output_file") — re-run montage-mvt.sh to retry" || true
+        "WARNING: montage audio+overlay failed — $SEASON Mvt$MVT_NUM ($ASTRO_YEAR) [$CAM_NAME]" \
+        "Silent video saved as $(basename "$output_file") — run: ./verify-mvt.sh $ASTRO_YEAR $SEASON $MVT_NUM $CAM_NAME" || true
 fi
 
 # ── Trigger year-end join on last Autumn movement ────────────────────────────
diff --git a/sky-cam.conf b/sky-cam.conf
index 624e6a5..0d006b9 100644
--- a/sky-cam.conf
+++ b/sky-cam.conf
@@ -48,9 +48,6 @@
 #                             on the last day of a movement, auto-triggers
 #                             montage-mvt.sh
 #
-#    fullday-video.sh <cam> — daily at SCHEDULE_FULLDAY_<cam> (via systemd, per camera)
-#                             full-day timelapse at fixed fps; deletes videos
-#                             older than RETENTION_DAYS automatically
 #
 #    install.sh             — run once at setup, and again if this file changes
 #                             generates and installs systemd units from conf
@@ -104,11 +101,6 @@
 #                  then re-run install.sh
 #    calls → season_info.py, montage-mvt.sh
 #
-#  fullday-video.sh
-#    ← called by systemd sky-cam-fullday-<cam>.timer (SCHEDULE_FULLDAY_<cam>)
-#    → if renamed: update install.sh (write_service call ~line 93)
-#                  then re-run install.sh
-#
 #  montage-mvt.sh
 #    ← called by 4-seasons.sh on the last day of each movement
 #    → if renamed: update 4-seasons.sh (the exec line near the bottom)
@@ -180,7 +172,7 @@ TIMEZONE=America/New_York
 # Each name becomes a subfolder under BASE_DIR (images) and BASE_DIR/movies.
 # To add a camera: add its name here, add its schedules below, re-run install.sh.
 #
-CAMERAS=(east)                     # e.g. CAMERAS=(east north south west)
+CAMERAS=(east north south)         # e.g. CAMERAS=(east north south west)
 SUNRISE_CAM=east                   # which camera faces east (gets the sunrise video job)
 
 # ── Schedules ─────────────────────────────────────────────────────────────────
@@ -207,18 +199,15 @@ SUNRISE_CAM=east                   # which camera faces east (gets the sunrise v
 #
 SCHEDULE_SUNRISE=03:00:00
 
+# Four Seasons daily clip — one per camera, staggered 30 min apart.
+# Processes yesterday's images; on the last day of a movement auto-triggers
+# montage-mvt.sh.  Space cameras at least 30 min apart to avoid disk contention.
 SCHEDULE_SEASONS_east=01:00:00
-SCHEDULE_FULLDAY_east=02:00:00
+SCHEDULE_SEASONS_north=01:30:00
+SCHEDULE_SEASONS_south=02:00:00
 
-# Uncomment and fill in for each camera you add to CAMERAS above:
-#SCHEDULE_SEASONS_north=01:30:00
-#SCHEDULE_FULLDAY_north=02:30:00
-#
-#SCHEDULE_SEASONS_south=02:00:00
-#SCHEDULE_FULLDAY_south=03:00:00
-#
+# Add more cameras here:
 #SCHEDULE_SEASONS_west=02:30:00
-#SCHEDULE_FULLDAY_west=03:30:00
 
 # ── Sunrise video tuning ──────────────────────────────────────────────────────
 # Capture window around sunrise:
@@ -235,10 +224,6 @@ SUNRISE_OVERLAY_ENABLED=true
 # Opacity of the sunrise-time text (0.0 = invisible, 1.0 = fully opaque).
 SUNRISE_OVERLAY_OPACITY=0.45
 
-# ── Full-day timelapse tuning ─────────────────────────────────────────────────
-FULLDAY_FPS=5        # frame rate of the timelapse video
-RETENTION_DAYS=10    # delete full-day videos older than this many days
-
 # ── Video encoding quality ────────────────────────────────────────────────────
 # FFmpeg CRF: lower = higher quality / larger files.  Typical range 18–30.
 #   18 ≈ visually lossless     23 = ffmpeg default     28 = smaller/lower
@@ -248,7 +233,6 @@ RETENTION_DAYS=10    # delete full-day videos older than this many days
 # Each is independent — changing one does NOT change the others.
 #
 CRF_SUNRISE=28        # daily_sunrise_video.sh   — daily Mattermost upload
-CRF_FULLDAY=28        # fullday-video.sh         — full-day timelapse
 CRF_SEASONS_RAW=28    # 4-seasons.sh             — raw concat before speed-adjust
 CRF_SEASONS_FINAL=26  # 4-seasons.sh             — final daily clip (goes into montage)
 CRF_MONTAGE=26        # montage-mvt.sh           — concat and speed-adjust and final
diff --git a/systemd/sky-cam-fullday.service b/systemd/sky-cam-fullday.service
deleted file mode 100644
index bef3263..0000000
--- a/systemd/sky-cam-fullday.service
+++ /dev/null
@@ -1,9 +0,0 @@
-[Unit]
-Description=Sky-Cam full-day timelapse (10-day retention)
-OnFailure=sky-cam-notify-failure@%n.service
-
-[Service]
-Type=oneshot
-ExecStart=/home/motion/drives/local-2tb/sunrise-scripts/fullday-video.sh
-StandardOutput=journal
-StandardError=journal
diff --git a/systemd/sky-cam-fullday.timer b/systemd/sky-cam-fullday.timer
deleted file mode 100644
index e47a900..0000000
--- a/systemd/sky-cam-fullday.timer
+++ /dev/null
@@ -1,9 +0,0 @@
-[Unit]
-Description=Sky-Cam full-day timelapse — 02:00
-
-[Timer]
-OnCalendar=*-*-* 02:00:00
-Persistent=true
-
-[Install]
-WantedBy=timers.target
diff --git a/verify-mvt.sh b/verify-mvt.sh
new file mode 100755
index 0000000..da59351
--- /dev/null
+++ b/verify-mvt.sh
@@ -0,0 +1,199 @@
+#!/bin/bash
+# verify-mvt.sh — review a completed movement montage and manage source JPEGs.
+#
+# Usage:
+#   ./verify-mvt.sh <ASTRO_YEAR> <SEASON> <MVT_NUM> [CAM_NAME]
+#
+# Shows technical checks on the montage, lets you play it, then:
+#   (p) play     — open in ffplay / mpv / vlc (whichever is available)
+#   (g) good     — delete source JPEG folders for all movement days
+#   (r) redo     — re-run music+overlay only (keeps sped file if present)
+#   (R) redo-all — re-run full montage from daily clips
+#   (q) quit     — exit without changes
+
+set -euo pipefail
+
+SCRIPT_DIR="$(dirname "$(realpath "$0")")"
+source "$SCRIPT_DIR/sky-cam.conf"
+export TIMEZONE
+
+# ── Args ──────────────────────────────────────────────────────────────────────
+ASTRO_YEAR="${1:-}"
+SEASON="${2:-}"
+MVT_NUM="${3:-}"
+CAM_NAME="${4:-$SUNRISE_CAM}"
+
+if [ -z "$ASTRO_YEAR" ] || [ -z "$SEASON" ] || [ -z "$MVT_NUM" ]; then
+    echo "Usage: $0 <ASTRO_YEAR> <SEASON> <MVT_NUM> [CAM_NAME]"
+    echo "  e.g. $0 2025 Spring 1 east"
+    exit 1
+fi
+
+# ── Locate montage file ───────────────────────────────────────────────────────
+montage_dir="$MOVIES_DIR/$CAM_NAME/$ASTRO_YEAR/$SEASON/Mvt${MVT_NUM}/montage"
+montage_file=$(find "$montage_dir" -maxdepth 1 -name "*-Montage.mp4" 2>/dev/null | sort | tail -n 1)
+
+if [ -z "$montage_file" ] || [ ! -f "$montage_file" ]; then
+    echo "ERROR: No montage file found in $montage_dir"
+    echo "  Run: ./montage-mvt.sh to build it first."
+    exit 1
+fi
+
+# ── Get movement date range from season_info ──────────────────────────────────
+_info="$(python3 "$SCRIPT_DIR/season_info.py" "$MVT_START" 2>/dev/null)" 2>/dev/null || true
+
+# Use the sped file's date prefix to find a representative date in the movement
+sped_file=$(find "$MOVIES_DIR/$CAM_NAME/$ASTRO_YEAR/$SEASON/Mvt${MVT_NUM}" \
+    -maxdepth 1 -name "*-Sped.mp4" 2>/dev/null | head -n 1 || true)
+
+# Get MVT_START from the montage filename (format: YYYY-MM-DD_Season_MvtN-Montage.mp4)
+mvt_start_date=$(basename "$montage_file" | cut -d_ -f1)
+_info="$(python3 "$SCRIPT_DIR/season_info.py" "$mvt_start_date")"
+eval "$_info"
+# Provides: MVT_START  MVT_END  SEASON  MVT_NUM  DAYS_IN_MVT
+
+# ── Technical checks ──────────────────────────────────────────────────────────
+echo ""
+echo "══════════════════════════════════════════════════════"
+echo "  $SEASON Mvt $MVT_NUM  ($ASTRO_YEAR)  [$CAM_NAME]"
+echo "  Movement: $MVT_START → $MVT_END  ($DAYS_IN_MVT days)"
+echo "  File: $(basename "$montage_file")"
+echo "══════════════════════════════════════════════════════"
+
+actual_dur=$(ffprobe -v error -show_entries format=duration -of csv=p=0 "$montage_file" 2>/dev/null || echo "?")
+stream_types=$(ffprobe -v error -show_entries stream=codec_type -of csv=p=0 "$montage_file" 2>/dev/null || echo "")
+has_video=$(echo "$stream_types" | grep -c "video" 2>/dev/null || echo 0)
+has_audio=$(echo "$stream_types" | grep -c "audio" 2>/dev/null || echo 0)
+file_size=$(du -sh "$montage_file" | cut -f1)
+
+# Count finals that went into the montage
+finals_dir="$MOVIES_DIR/$CAM_NAME/$ASTRO_YEAR/$SEASON/Mvt${MVT_NUM}"
+final_count=$(find "$finals_dir" -maxdepth 1 -name "*-final.mp4" 2>/dev/null | wc -l)
+
+# Check music file
+music_base_dir="$MUSIC_DIR"
+[ ! -d "$music_base_dir" ] && music_base_dir="$SCRIPT_DIR/music"
+music_file=$(find "$music_base_dir" -type f -iname "*${SEASON}*" \
+    | grep -iE "Mvt[^0-9]*${MVT_NUM}[^0-9]" | sort | head -n 1)
+music_dur=$(ffprobe -v error -show_entries format=duration -of csv=p=0 "$music_file" 2>/dev/null || echo "?")
+dur_delta="?"
+if [ "$actual_dur" != "?" ] && [ "$music_dur" != "?" ]; then
+    dur_delta=$(echo "scale=2; $actual_dur - $music_dur" | bc | sed 's/^-//')
+fi
+
+echo ""
+printf "  Duration     : %ss  (music: %ss  drift: %ss)\n" "$actual_dur" "$music_dur" "$dur_delta"
+printf "  Video stream : %s\n" "$([ "$has_video" -gt 0 ] && echo "ok" || echo "MISSING")"
+printf "  Audio stream : %s\n" "$([ "$has_audio" -gt 0 ] && echo "ok" || echo "MISSING")"
+printf "  File size    : %s\n" "$file_size"
+printf "  Daily clips  : %d / %d days\n" "$final_count" "$DAYS_IN_MVT"
+printf "  Music        : %s\n" "$(basename "${music_file:-NOT FOUND}")"
+
+# Count JPEG folders available for deletion
+jpeg_count=0
+jpeg_size=0
+d="$MVT_START"
+while [[ "$d" < "$MVT_END" || "$d" == "$MVT_END" ]]; do
+    dir="$BASE_DIR/$CAM_NAME/$d"
+    if [ -d "$dir" ]; then
+        jpeg_count=$(( jpeg_count + 1 ))
+    fi
+    d=$(date -d "$d + 1 day" +%Y-%m-%d)
+done
+
+if [ "$jpeg_count" -gt 0 ]; then
+    jpeg_size=$(du -sh "$BASE_DIR/$CAM_NAME" --exclude="*" 2>/dev/null || true)
+    # Sum only the movement date folders
+    total_jpeg_bytes=0
+    d="$MVT_START"
+    while [[ "$d" < "$MVT_END" || "$d" == "$MVT_END" ]]; do
+        dir="$BASE_DIR/$CAM_NAME/$d"
+        [ -d "$dir" ] && total_jpeg_bytes=$(du -sb "$dir" 2>/dev/null | cut -f1 || echo 0) || true
+        d=$(date -d "$d + 1 day" +%Y-%m-%d)
+    done
+    printf "  JPEG folders : %d date folders (%s → %s)\n" \
+        "$jpeg_count" "$MVT_START" "$MVT_END"
+else
+    printf "  JPEG folders : none found (already deleted)\n"
+fi
+
+echo ""
+
+# ── Interactive menu ──────────────────────────────────────────────────────────
+while true; do
+    echo "  (p) play the montage"
+    echo "  (g) good — delete JPEG folders for this movement"
+    echo "  (r) redo music+overlay (keeps daily clips)"
+    echo "  (R) redo all (re-concat from daily clips)"
+    echo "  (q) quit"
+    echo ""
+    read -rp "  Choice: " choice
+
+    case "$choice" in
+        p|P)
+            if command -v mpv &>/dev/null; then
+                mpv "$montage_file" &
+            elif command -v vlc &>/dev/null; then
+                vlc "$montage_file" &
+            elif command -v ffplay &>/dev/null; then
+                ffplay "$montage_file" &
+            else
+                echo "  No player found (install mpv, vlc, or ffplay)"
+            fi
+            ;;
+
+        g|G)
+            if [ "$jpeg_count" -eq 0 ]; then
+                echo "  No JPEG folders found for this movement — nothing to delete."
+                continue
+            fi
+            echo ""
+            echo "  Will delete $jpeg_count JPEG date folders ($MVT_START → $MVT_END) for camera [$CAM_NAME]."
+            echo "  The montage video and daily clips are kept."
+            read -rp "  Confirm? [yes/no]: " confirm
+            if [ "$confirm" = "yes" ]; then
+                deleted=0
+                d="$MVT_START"
+                while [[ "$d" < "$MVT_END" || "$d" == "$MVT_END" ]]; do
+                    dir="$BASE_DIR/$CAM_NAME/$d"
+                    if [ -d "$dir" ]; then
+                        rm -rf "$dir"
+                        echo "  deleted $dir"
+                        deleted=$(( deleted + 1 ))
+                    fi
+                    d=$(date -d "$d + 1 day" +%Y-%m-%d)
+                done
+                echo "  Done — $deleted JPEG folders deleted."
+                "$SCRIPT_DIR/notify.sh" \
+                    "JPEGs deleted: $SEASON Mvt$MVT_NUM ($ASTRO_YEAR) [$CAM_NAME]" \
+                    "$deleted date folders removed after manual verification" || true
+            else
+                echo "  Cancelled."
+            fi
+            ;;
+
+        r)
+            echo "  Re-running music+overlay step..."
+            "$SCRIPT_DIR/montage-mvt.sh" "$mvt_start_date" "$CAM_NAME"
+            break
+            ;;
+
+        R)
+            echo "  Re-running full montage (concat + speed + music + overlay)..."
+            # Remove sped file so montage-mvt.sh starts from scratch
+            find "$MOVIES_DIR/$CAM_NAME/$ASTRO_YEAR/$SEASON/Mvt${MVT_NUM}" \
+                -maxdepth 1 -name "*-Sped.mp4" -delete 2>/dev/null || true
+            "$SCRIPT_DIR/montage-mvt.sh" "$mvt_start_date" "$CAM_NAME"
+            break
+            ;;
+
+        q|Q)
+            break
+            ;;
+
+        *)
+            echo "  Unknown choice — enter p, g, r, R, or q."
+            ;;
+    esac
+    echo ""
+done