So, I just downloaded the toolset and I'm slowly figuring out how this works. Has anyone else used this much? Any advice/opinions/comments in general? I'm kind of amazed/confused by the depth of this thing. The most complex creator I've ever used is the one in the old Medieval: Total War game, which was, if not as complex, at least much more intuitive.  
 
My question, however, is about a very specific aspect of the toolset. If I make my own facial 'morphs' or whatever, and put them into the right place in the game proper, can I mod the appearances of other characters? Like, could I completely change the faces of my entire party, if I so desired? Does that still apply to non-party members? Or would that eff up the game beyond playability?  Because that.... that is something I have wanted to do in a video game for a long time. And it would be awesome.

nevermind. There's wiki that tells you how to do just that.