diff --git a/Configs/.config/retrilz-scripts/change-wall.sh b/Configs/.config/retrilz-scripts/change-wall.sh
new file mode 100755
index 0000000..3783bb7
--- /dev/null
+++ b/Configs/.config/retrilz-scripts/change-wall.sh
@@ -0,0 +1,57 @@
+#!/bin/bash
+
+set -euo pipefail
+
+cache_dir="$HOME/.cache"
+lock_bg_path="$cache_dir/lock_background"
+
+if [[ $# -lt 1 ]]; then
+    echo "Usage: $0 <wallpapers-folder>"
+    exit 1
+fi
+
+folder=${1/#\~/$HOME}
+if [[ ! -d "$folder" ]]; then
+    echo "Error: directory '$folder' does not exist."
+    exit 1
+fi
+
+mapfile -t all_images < <(
+    find "$folder" -type f \( -iname '*.jpg' -o -iname '*.png' -o -iname '*.jpeg' \) | sort
+)
+
+if ((${#all_images[@]} == 0)); then
+    echo "Error: no images found in '$folder'."
+    exit 1
+fi
+
+mapfile -t shuffled_images < <(shuf -e "${all_images[@]}")
+
+current_image=$(swww query -a | grep -oP 'image:\s*\K.*' || true)
+selected_image=""
+
+for img in "${shuffled_images[@]}"; do
+    if [[ "$img" != "$current_image" ]]; then
+        selected_image="$img"
+        break
+    fi
+done
+
+if [[ -z "$selected_image" ]]; then
+    selected_image="${all_images[RANDOM % ${#all_images[@]}]}"
+fi
+
+echo "Selected image: $selected_image"
+
+swww img -t grow \
+    --transition-duration 1.8 \
+    --transition-step 200 \
+    --transition-fps 60 \
+    "$selected_image"
+
+matugen image "$selected_image"
+
+mkdir -p "$cache_dir"
+cp "$selected_image" "$lock_bg_path"
+
+echo "Lock background saved to: $lock_bg_path"