diff --git a/flake.nix b/flake.nix
index a809ca6..e34d30f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -22,24 +22,47 @@
     utils.lib.mkFlake {
       inherit self inputs;
 
-      # Channel definitions.
-      # Channels are automatically generated from nixpkgs inputs
-      # e.g the inputs which contain `legacyPackages` attribute are used.
+
+      channels.nixpkgs.overlaysBuilder = channels: [
+        self.overlay
+        inputs.utils.overlay
+        inputs.emacs-overlay.overlay
+      ];
+
+
+      overlay = import ./overlays { inherit inputs; };
+      overlays = utils.lib.exportOverlays {
+        inherit (self) pkgs inputs;
+      };
+
+
+      outputsBuilder = channels: {
+        packages = utils.lib.exportPackages self.overlays channels;
+        devShell = channels.nixpkgs.mkShell {
+          packages = with channels.nixpkgs; [ nixpkgs-fmt rnix-lsp ];
+        };
+      };
+
       channelsConfig.allowUnfree = true;
 
-
-      nix.package = nixpkgs.nixFlakes;
-      nix.extraOptions = ''
-        experimental-features = nix-command flakes
-      '';
+      nixosModules = utils.lib.exportModules [
+        ./modules/default.nix
+      ];
+      # nix.package = nixpkgs.nixFlakes;
+      # nix.extraOptions = ''
+      #   experimental-features = nix-command flakes
+      # '';
 
       hostDefaults.modules = [
-        home-manager.nixosModules.home-manager
+        home-manager.nixosModule
         {
-          home-manager.useGlobalPkgs = true;
-          home-manager.useUserPackages = true;
+          home-manager = {
+            useGlobalPkgs = true;
+            useUserPackages = true;
+            extraSpecialArgs = { inherit inputs self; };
+          };
         }
-        ./modules
+        self.nixosModules.default
       ];
 
       hosts.nixos-laptop.modules = [
diff --git a/modules/picom.nix b/modules/picom.nix
index 21edda4..cdd6f88 100644
--- a/modules/picom.nix
+++ b/modules/picom.nix
@@ -4,13 +4,13 @@ let
   base = {
     services.picom = {
       enable = true;
-      inactiveOpacity = "0.95";
+      inactiveOpacity = "0.90";
       opacityRule = [
         "100:fullscreen"
         "80 :class_g   = 'Polybar'"
       ];
       blur = true;
-      inactiveDim = "0.1";
+      # inactiveDim = "0.1";
       experimentalBackends = true;
       extraOptions = ''
                      corner-radius = 10;
@@ -29,8 +29,8 @@ let
 
                      # dual kawase blur
                      blur-background-fixed = false;
-                     # blur-method = "dual_kawase";
-                     blur-strength = 10;
+                     blur-method = "dual_kawase";
+                     blur-strength = 5;
                      use-ewmh-active-win = true;
                      detect-rounded-corners = true;
 
diff --git a/overlays/default.nix b/overlays/default.nix
index 068142f..08804fa 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -2,7 +2,6 @@
 
 final: prev: {
   picom = prev.picom.overrideAttrs (old: {
-    version = "unstable-2021-08-04";
     src = inputs.picom;
   });
 }