It adds no lag because unlike most other hacks, it doesn't inject any code, meaning once the game is loaded at the beginning, it doesn't have to think about it any more.
I'm thinking, and dreading, about making it about 10% less transparent, but ill see what you guys think first.
I'll also add the option to install/uninstall the object lightmap mod.(lighter map ground) because some people will like it and others won't.