diff --git a/flake.nix b/flake.nix
index f3745d7..591505d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -182,16 +182,17 @@
       networking.hostName = hostname;
       networking.domain   = domain;
       networking.search = [ domain ];
+
       nixpkgs.overlays = [
         self.overlays.pbsdspkgs
         (final: prev: {
-          #unstable = unstable.legacyPackages.${final.system};
           unstable = import inputs.unstable {
             inherit system;
             config = final.pkgs.config;
           };
         })
       ];
+
       # This makes commandline tools like 'nix run nixpkgs#hello'
       # and 'nix-shell -p hello' use the same channel as system was built with
       nix.registry.nixpkgs.flake = inputs.nixpkgs;
@@ -312,7 +313,7 @@
           #pdoc3-docs = (pkgs.callPackage ./pkgs/pdocs.nix {}).pdocs3;
         });
       };
-      wl-clipboard-timeout = ./overlays/wl-clipboard-timeout.nix;
+      wl-clipboard-timeout = import ./overlays/wl-clipboard-timeout.nix;
       default = self.overlays.pbsdspkgs;
     };
 
diff --git a/hosts/sopp/configuration.nix b/hosts/sopp/configuration.nix
index 998d6f5..84900d2 100644
--- a/hosts/sopp/configuration.nix
+++ b/hosts/sopp/configuration.nix
@@ -56,6 +56,10 @@
 
   networking.firewall.allowedTCPPorts = [ 57621 ]; # spotify local discovery
 
+  environment.systemPackages = [
+    pkgs.pbsds.v4l2-play
+  ];
+
   # Networking
   /**/
   networking.networkmanager.enable = true;
diff --git a/pkgs/v4l2-play/script.sh b/pkgs/v4l2-play/script.sh
old mode 100644
new mode 100755
diff --git a/users/pbsds/home/default.nix b/users/pbsds/home/default.nix
index d0db332..2a5a10f 100644
--- a/users/pbsds/home/default.nix
+++ b/users/pbsds/home/default.nix
@@ -38,6 +38,11 @@
     else
       alias clip="wl-copy --trim-newline --type text/plain";
     fi
+
+    nix-prefetch-sri() {
+        url="$1"; shift
+        nix hash to-sri --type sha256 "$@" "$(nix-prefetch-url "$url")"
+    }
   '';
 
   home.packages = with pkgs; [