Hey there, amongst many other things I do, I create a free open source GUI for the Mercurial revision control system for OSX. Its a big deal, lots of people and organizations use revision control like git or Mercurial. Eg Mozillia, the guys behind Firefox use Mercurial for their source control as does google, etc. etc.
Anyway we need a really good designer like, well... you! to do graphic design for this free open source product. You will of course get credited in the about box and have your credits slapped up on the product. I have seen the really really neat icons and stuff that you do. I can open photoshop and play with it and all, but I