diff --git a/builder.sh b/builder.sh
new file mode 100755
index 0000000..149e6c2
--- /dev/null
+++ b/builder.sh
@@ -0,0 +1,2 @@
+mkdir $out
+cp *\.{png,webp} $out
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..c9197e4
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,11 @@
+{
+  outputs =
+    { nixpkgs, ... }: {
+      packages."x86_64-linux".default = derivation
+        {
+          name = "backgrounds";
+          builder = "${nixpkgs.bash}/bin/bash";
+          args = [ ./builder.sh ];
+        };
+    };
+}