The people at Conceptart.org send the following email along - I thought it might interest some people here? Unfortunately the second URL doesn't seem to work, but it might be something to keep one's eyes on.
Or maybe Deviantart could also step in and offer a similar registration service to its members? I guess in a way it already does... depends on how this whole registration and image search thing is supposed to work, in the end.
Here is the email: