You don't want to get in trouble so you should probably send any potential sponsors to me and I will take care of them for you :mrgreen::lol::icon_devil
Just be careful how you advertise them. There are some, not many, but some contest that ask that sponsor banners not be huge because they have sponsors for the contest and don't want them to be overshadowed too much. 3x6 or 4x8 banner would probably fine - or anything less that.