Boss Arenas

I think the next thing I'd like to have working is the rest of the bosses.  I've been working on pulling down custom arenas for bosses that require them, and getting the remaining ones working.  Also I'd like to have the original arena in even for the ones that do work, so that if they don't work on a particular map type (this seems to happen a lot) I can default to their original arena.  Here are a few so far: