I would put Hot Wheels stickers on personally.. but each to their own :)
why not both?
Paisley pattern would be cool.
Hmm...there should be enough room for both...
Hey, with all these neat suggestions, you can change it up now and then!
Animal prints.. zebra, leopard
Flames like the ones on fast cars
I love your imagination!
Whatever floats your boat.
Sure, if that's what you want.