Fannish Requests?

I've already started listing some of my fannish vector illustrations at Power Ups, and I thought it might be nice if I considered some requests. I'm looking for geeky friendly fandoms here - sci-fi, fantasy, horror, other cult-ish things. If you have any thoughts, please throw them my way! I can't promise that I'll do everything, but I think it would be fun seeing what people who don't live inside my head come up with ;)