Hello, I've been tracking MakeHuman for some years now and I love the way the team actively seeks a user interface with the artist in mind - thank you! My suggestion is to set up nightly builds for supported operating systems. This way more artists can play with MakeHuman in its current state, they will talk about it to friends and colleagues, put up screenshots of their own creations or screencasts on YouTube, and you will get invaluable feedback from them if you add a small feedback mechanism in these builds.
Cheers,
Haakon
PS: Here's a tip from Mozilla on how to warn users of nightly builds - http://www.mozilla.org/developer/#builds