diff --git a/vbox/ova-module.nix b/vbox/ova-module.nix
new file mode 100644
index 0000000..400d12f
--- /dev/null
+++ b/vbox/ova-module.nix
@@ -0,0 +1,19 @@
+{ config, pkgs, ... }:
+
+with pkgs.lib;
+
+{
+  imports =
+    [ /nix/var/nix/profiles/per-user/root/channels/nixos/nixpkgs/nixos/virtualisation/virtualbox-image.nix
+       /nix/var/nix/profiles/per-user/root/channels/nixos/nixpkgs/nixos/installer/cd-dvd/channel.nix
+       /nix/var/nix/profiles/per-user/root/channels/nixos/nixpkgs/nixos/profiles/demo.nix
+       /nix/var/nix/profiles/per-user/root/channels/nixos/nixpkgs/nixos/profiles/clone-config.nix
+    ];
+
+  # Allow mounting of shared folders.
+  users.extraUsers.demo.extraGroups = [ "vboxsf" ];
+
+  # Add some more video drivers to give X11 a shot at working in
+  # VMware and QEMU.
+  services.xserver.videoDrivers = mkOverride 40 [ "virtualbox" "vmware" "cirrus" "vesa" ];
+}
\ No newline at end of file