I changed the fonts a bit, cos I wanted to fit the biggest lettering possible using the fonts I have. I'm still working on t-shirt designs, but I *am* workin' on 'em. 
Anyway, here's the bigger Stever sticker:
I *still* can't wait for the day I finally see one of these on someone's car. I think I'll literally die laughing.
(Oh yeah, don't worry, I made sure to make the dimensions the right size for the sticker, too.)