I installed wad, and I dont know how it works really, I just know that I followed this tutorial and get to make my own desktop, I didnt finish the whole thing, I was looking for the same volume button he has in the tut but no luck, if anyone can link me to where i can download it I will appreciated.
here is the link in making windows desktop
http://www.aximsite.com/boards/showthread.php?t=146815