A comprehensive S.T.A.L.K.E.R. theme typically goes beyond a simple wallpaper change, modifying the core "Luna" interface of Windows XP with several specific components:
When you click a folder, you don’t hear a "click." You hear the metallic snick of an AK-74 safety being toggled. When an error occurs, the system doesn't beep; a distorted, distant voice over a radio whispers, "Chiki Briki," followed by the frantic barking of a blind dog.
The My Computer, Recycle Bin, and Network Places icons get replaced with:
Patching system files can cause instability. Do this on a machine without sensitive data.