diff --git a/hosts/default.nix b/hosts/default.nix
index ba82ec7..08445de 100644
--- a/hosts/default.nix
+++ b/hosts/default.nix
@@ -47,22 +47,36 @@ let
   mkHostGroup = { prefix, count, system ? "x86_64-linux", extraModules ? [], deviceOverrides ? {} }:
     lib.listToAttrs (map (i: {
       name = "${prefix}${toString i}";
-      value = mkHost {
-        hostName = "${prefix}${toString i}";
-        inherit system;
-        extraModules = extraModules ++ 
-          (lib.optional (builtins.hasAttr (toString i) deviceOverrides) 
-            ({ ... }: 
-              let
-                devConf = deviceOverrides.${toString i};
-                fsConf = builtins.removeAttrs devConf [ "extraUsers" ];
-              in {
-                host.filesystem = fsConf;
-                modules.users.enabledUsers = devConf.extraUsers or [];
-              }
-            )
-          );
-      };
+      value = 
+        let
+          devConf = deviceOverrides.${toString i} or {};
+          hasOverride = builtins.hasAttr (toString i) deviceOverrides;
+          
+          # Extract flakeUrl if it exists
+          externalFlake = if hasOverride && (builtins.hasAttr "flakeUrl" devConf) 
+                          then builtins.getFlake devConf.flakeUrl 
+                          else null;
+          
+          # Module from external flake
+          externalModule = if externalFlake != null 
+                           then externalFlake.nixosModules.default 
+                           else {};
+
+          # Config override module
+          overrideModule = { ... }: 
+            let
+              # Remove special keys that are not filesystem options
+              fsConf = builtins.removeAttrs devConf [ "extraUsers" "flakeUrl" ];
+            in lib.mkIf hasOverride {
+              host.filesystem = fsConf;
+              modules.users.enabledUsers = devConf.extraUsers or [];
+            };
+        in
+        mkHost {
+          hostName = "${prefix}${toString i}";
+          inherit system;
+          extraModules = extraModules ++ [ overrideModule ] ++ (lib.optional (externalFlake != null) externalModule);
+        };
     }) (lib.range 1 count));
 
   # Generate host groups based on the input hosts configuration
diff --git a/hosts/user-config.nix b/hosts/user-config.nix
index 6514378..128d4af 100644
--- a/hosts/user-config.nix
+++ b/hosts/user-config.nix
@@ -3,7 +3,7 @@ let
   userSubmodule = lib.types.submodule {
     options = {
       isNormalUser = lib.mkOption { type = lib.types.bool; default = true; };
-      description = lib.mkOption { type = lib.types.nullOr lib.types.str; default = null; };
+      description = lib.mkOption { type = lib.types.str; default = ""; };
       extraGroups = lib.mkOption { type = lib.types.listOf lib.types.str; default = []; };
       hashedPassword = lib.mkOption { type = lib.types.str; default = "!"; };
       extraPackages = lib.mkOption { type = lib.types.listOf lib.types.package; default = []; };
@@ -49,9 +49,7 @@ in
         finalPackages = lib.subtractLists user.excludePackages (defaultPackages ++ user.extraPackages);
       in
       {
-        inherit (user) isNormalUser extraGroups hashedPassword;
-        description = if user.description != null then user.description else lib.mkDefault "";
-        openssh.authorizedKeys.keys = user.opensshKeys;
+        inherit (user) isNormalUser description extraGroups hashedPassword;
         packages = finalPackages;
         shell = config.modules.users.shell;
       }
@@ -61,14 +59,14 @@ in
     home-manager = {
       useGlobalPkgs = true;
       useUserPackages = true;
-      extraSpecialArgs = { osConfig = config; };
+      extraSpecialArgs = { inherit osConfig; };
 
       users = 
         let
           enabledAccounts = lib.filterAttrs (name: _: lib.elem name config.modules.users.enabledUsers) config.modules.users.accounts;
         in
         lib.mapAttrs (name: user: { ... }: {
-          imports = user.extraImports ++ 
+          imports = user.extraImports ++ [ ../sw/theme.nix ../sw/nvim.nix ] ++
             (lib.optional (user.flakeUrl != "") (builtins.getFlake user.flakeUrl).homeManagerModules.default);
           home.username = name;
           home.homeDirectory = if name == "root" then "/root" else "/home/${name}";
diff --git a/inventory.nix b/inventory.nix
index 9e4398c..65394a1 100644
--- a/inventory.nix
+++ b/inventory.nix
@@ -10,18 +10,17 @@
       # Enable specific users for this device index
       "1" = { extraUsers = [ "hdh20267" ]; };
       "2" = { extraUsers = [ "hdh20267" ]; };
+      
+      # Example of using an external flake for system configuration:
+      # "2" = { flakeUrl = "github:user/system-flake"; };
     };
   };
 
   # Desktop Configuration
   # Base specs: NVMe drive, 16G Swap
-  nix-desktop = {
-    count = 1;
-  };
+  nix-desktop.count = 1;
 
   # Surface Tablet Configuration (Kiosk Mode)
   # Base specs: eMMC drive, 8G Swap
-  nix-surface = {
-    count = 3;
-  };
+  nix-surface.count = 3;
 }
diff --git a/users.nix b/users.nix
index cca44a9..649129a 100644
--- a/users.nix
+++ b/users.nix
@@ -6,21 +6,17 @@
     root = {
       isNormalUser = false;
       hashedPassword = "!";
-      extraImports = [ ./sw/theme.nix ];
-      opensshKeys = [ "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBC7xzHxY2BfFUybMvG4wHSF9oEAGzRiLTFEndLvWV/X hdh20267@engr733847d.engr.uga.edu" ];
     };
     engr-ugaif = {
       description = "UGA Innovation Factory";
       extraGroups = [ "networkmanager" "wheel" "video" "input" ];
       hashedPassword = "$6$El6e2NhPrhVFjbFU$imlGZqUiizWw5fMP/ib0CeboOcFhYjIVb8oR1V1dP2NjDeri3jMoUm4ZABOB2uAF8UEDjAGHhFuZxhtbHg647/";
-      extraImports = [ ./sw/theme.nix ./sw/nvim.nix ];
       opensshKeys = [ "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBC7xzHxY2BfFUybMvG4wHSF9oEAGzRiLTFEndLvWV/X hdh20267@engr733847d.engr.uga.edu" ];
     };
     hdh20267 = {
       description = "Hunter Halloran";
       extraGroups = [ "networkmanager" "wheel" ];
       homePackages = [ pkgs.ghostty ];
-      extraImports = [ ./sw/theme.nix ./sw/nvim.nix ];
       # Example of using an external flake for configuration:
       # flakeUrl = "github:hdh20267/dotfiles";
     };