1) None, I just have an active imagination. I try to channel irritation at people into elaborate setpieces, since they're often kinda funny and they let me express myself. Sometimes people like them, too.
2) My avatar is Kawakami Momoyo from Maji De Watashi Ni Koi Shinasai. It's a visual novel about a school that solves problems through battle, and the girls have nigh on Dragon Ball powers. The anime version sucks, though, skip it.