This is Alduin!
I got him at Petco yesterday (don't worry this pic is just for the fact it shows his colors best!), he was labled as a halfmoon and so far it seems true. I don't know whether to call him a butterfly or a tricolor, so maybe you guys can help me out. He seems healthy to me, but he hasn't eaten yet or seemed interested. I'm guessing he's still to busy exploring and I'll try again later today.
This is Alduin's tank, a 5 gallon Aquaculture from Walmart. He's got two (count 'em TWO!) heaters because it is so cold at our house that he needs one to keep it at "room temp" then another to actually heat the tank to tropical temperatures.

It's at 74 right now, and I'm working on getting it up to around 80.
He likes to sit still and look pretty until I get my camera, but I managed to get these pictures!
Hopefully these will work.....