diff --git a/.gitignore b/.gitignore
index 745d197..69d12f6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,12 @@
 !/nix/home.nix
 !/nix/*.example.nix
 
-
 !/programs
 
+!/scripts
+
+!/wallpapers
+/wallpapers/*
+!/wallpapers/*.png
+!/wallpapers/build.sh
+
diff --git a/nix/home.nix b/nix/home.nix
index 2cbb1e9..d24d978 100644
--- a/nix/home.nix
+++ b/nix/home.nix
@@ -92,7 +92,7 @@ in
   services.screen-locker = {
     enable = true;
 
-    lockCmd = "/usr/bin/i3lock -e -c 000000";
+    lockCmd = "/bin/bash ~/scripts/lock.sh";
 
     inactiveInterval = 5;
   };
@@ -178,14 +178,29 @@ in
     enableZshIntegration = true;
   };
 
-  xdg.configFile = {
-    # add config for alacritty terminal
-    "alacritty/alacritty.yml".source = ../programs/alacritty/alacritty.yml;
+  home.file = {
+    "scripts" = {
+      source = ../scripts;
+      recursive = true;
+    };
 
-    # add config for xmonad window manager
-    # "xmonad/xmonad.hs".source = ../programs/xmonad/xmonad.hs;
-    # "xmobar/xmobar.hs".source = ../programs/xmonad/xmobar.hs;
+    "pictures/wallpapers" = {
+      source = ../wallpapers;
+      recursive = true;
+    };
+  };
 
-    "stylish-haskell/config.yaml".source = ../programs/stylish-haskell/config.yml;
+  xdg = {
+    enable = true;
+    configFile = {
+      # add config for alacritty terminal
+      "alacritty/alacritty.yml".source = ../programs/alacritty/alacritty.yml;
+
+      # add config for xmonad window manager
+      # "xmonad/xmonad.hs".source = ../programs/xmonad/xmonad.hs;
+      # "xmobar/xmobar.hs".source = ../programs/xmonad/xmobar.hs;
+
+      "stylish-haskell/config.yaml".source = ../programs/stylish-haskell/config.yml;
+    };
   };
 }
diff --git a/programs/xmonad/xmonad.hs b/programs/xmonad/xmonad.hs
index 3072750..17ca9b5 100644
--- a/programs/xmonad/xmonad.hs
+++ b/programs/xmonad/xmonad.hs
@@ -130,7 +130,7 @@ myKeys conf = mkKeymap conf $
 
 
   -- Lock screen
-  , ("M4-l", spawn "i3lock -e -c 000000")
+  , ("M4-l", spawn "bash ~/scripts/lock.sh")
 
   -- Change volume
   , ("<XF86AudioMute>",         spawn "amixer -qD pulse sset Master toggle")
diff --git a/scripts/lock.sh b/scripts/lock.sh
new file mode 100755
index 0000000..c852c6f
--- /dev/null
+++ b/scripts/lock.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+/usr/bin/i3lock -ei $(exa -1 ~/pictures/wallpapers/*.png | awk '{ print $1 }' | sort -R | head -n 1)
diff --git a/scripts/slugify.ts b/scripts/slugify.ts
new file mode 100644
index 0000000..26b73df
--- /dev/null
+++ b/scripts/slugify.ts
@@ -0,0 +1,6 @@
+import { slugify } from 'https://deno.land/x/slugify/mod.ts';
+
+for (const sourceFileName of Deno.args) {
+	console.log(slugify(sourceFileName).replace(/_+/g, '-').toLowerCase());
+}
+
diff --git a/wallpapers/build.sh b/wallpapers/build.sh
new file mode 100755
index 0000000..159801e
--- /dev/null
+++ b/wallpapers/build.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+cd -- $(dirname "$0")
+
+echo "Change dir: $PWD"
+
+jpg_file_names=$(exa -1 | grep jpg)
+jpg_file_count=$(echo $jpg_images | wc -l)
+
+if [[ $jpg_file_names != "" && $jpg_file_count != "0" ]]; then
+  echo found: $jpg_file_count images
+  echo converting to png...
+
+  for f in $jpg_file_names
+  do
+    echo "  $f -> ${f%.jpg}.png"
+    convert "$f" "${f%.jpg}.png"
+  done
+  echo done
+else
+  echo nothing to convert
+fi
diff --git a/wallpapers/sea_sunset_art_131736_2560x1440.png b/wallpapers/sea_sunset_art_131736_2560x1440.png
new file mode 100644
index 0000000..069b04a
Binary files /dev/null and b/wallpapers/sea_sunset_art_131736_2560x1440.png differ