Well, you can resize it in photoshop, or go download irfanview. Its free and its way easy to resize: Control+R
Um, your background could use something wild, and you don't have to stretch the people to fit the sig, you can keep them the way they are, make them smaller. It needs more color. Like I said, fill in a pattern in a new layer and play around with the effects. Go copy a picture of some lightning and paste it in there.

Here are some cool backgrounds I would suggest.





You know, I would have totally made you this sig if you hadn't told me what it was for. If you didn't mentioned you were putting it in a contest or cheating, I wouldn't have known and I'd be making you one right now...

__________________