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I'm also working on an updated Basic Guy that I hope to have out sometime soon (solutions to things that I found irritating when animating this clip). The rig hasn't really changed all that much, but I have written a MEL script that helps tons with selecting controls and all that. Basically, it's a GUI that when you select an object it will in turn select that rig part.
I've also written a MEL script that let's you manage your custom cameras in a single pane. So for Basic Guy, you can switch between his face rig controls and the body rig selector GUI that I mentioned previously very quickly and easily! Whew...time saver!
Oh, I think that I'm close to having the whole referenced file thing figured out too (so you can then have more than one BG in scene and have all the fk/ik matching stuff work...) I'll post another blog on that sometime soon as well.
Anyway, I'm not done with the animation here, but, I felt that it was time that I stop and post something! So, here is my still work in progress rig test with Basic Guy.
Basic Guy and Unicycle Rig Test (quicktime movie file ~2MB)
Anyway, that's it for now. I'll try to post again soon(ish)!
Cheers and as always happy animating!