My Avatar is an optical illusion.
It's actually suds swirling down a sink.
It's of Olympus Mons, a volcano on Mars that is around 3x taller than Mt. Everest. I used to be really into astronomy, still am in a way and Olympus Mons always fascinated me.
I've just ordered a pair of AKG K550's. My girlfriend reckons I'll look like a Cyberman
That being said, I think this should be the next promo poster for a convention. I think it's a winner