I am quite picky, and in a funny way too.
For men, I find it the most attractive when they have long straight hair, tattoos or a piercing and when they are taller & older than me. I also find abs highly unattractive, so to me I like skinny guys the most.
For women, I ironically find it most attractive when they have short hair, preferably a crazy color. They should be skinny, have some bum and should be shorter than me.
I find it funny how I am so different when it comes to dating men or women. When I'm with a guy, I want to be the submissive one (not just in bed, talking in general) as to where with a women I would like to be the dominant one.