the plug just looks huge. the perspective might be better conveyed if you lowered it some in the shirt, so it would appear to be in the foreground. it also might make more interesting use of the space...asymetrical ballance or something :)
you should definitely put some electrical sparks coming off of the prongs... I'm sad to say I didn't get it until I read the title :[ lol... It's getting late.
but I also agree with Nyxaliscious. The plug is huge.