There are some awesome skins around for road runner and centrafuse. Here are some skins that i thought you might find intersting
have a look through the front ends forums for some skinning ideas.
This post is fairly educational in terms of what you can and can't take out of other peoples skins if you're interested Does FluxMedia own rights to our skins?
Good luck with the skin - I'd make one myself but i don't think people would appreciate a stick figure skin...