I think the sizegenetics works pretty well, I've had my eye on it for a while:
http://growyerpenis.com/images/size-genetics1.jpg
http://growyerpenis.com/images/size-genetics2.jpg
http://growyerpenis.com/images/size-genetics3.jpg
http://growyerpenis.com/images/size-genetics4.jpg
At the...
oh my god! that wasp sting part made me cringe :O
so whats the deal with that? you get wasps to sting your shaft or are you grinding up wasp stingers into some kinda penis enlarging potion?