I've downloaded parts 1 thru 3 and done some testing with the figure.  This is really superior 3D modeling!  Thanks very much to Anton!

The differences in this figure are a lot to absorb.  One thing in particular I was trying to figure out--  it appears that expression morphs always affect both sides of the face at the same time.  Is there a way to apply expressions to one side of the face?  For instance, if I want a character to raise one eyebrow, or wink, or exhibit a crooked smile?