I might have some Moxxi reference pictures somewhere on one of my computers, I'll have to actually go check. The ones posted above are pretty good though, I got my reference pics from moxxi in her red lights bar.
But yes I also love borderlands and have cosplayed from it. I've gone as Mad moxxi and my fiance has Gone as Dr. Zed/Ned. We've only worn them 3 times but it was so fun! I can't wait for the borderlands sequel to come out!!!