I put once every fortnight. But that's just an average. My avatars are based on scenes I like from certain anime. That or what show I'm currently watching. I'm already done watching
He's My Master, but my current avy is pretty funny so I don't know when I'll change it....perhaps when the joke gets old
FYI:
This was my avatar when I first joined up:
"Na! Na! Hehhhh..." (<--was my personal title)