Hello, this video shows by hiding/revealing a simple cartoon geomtery to express eyes on a face. You can create the mouth and rig it later and applying it to all new meshes.
http://vimeo.com/9146025



(Moderator edit - embedded the video using the all-new "vim" tags - HB)

Interesting technique, great tutorial...
(only the sound could have been better)

Ok, for those who wondered what would happen if (animating facial textured expressions of the face) would be done in the layer manager or with the 8mix color node, this is what I got working:

http://vimeo.com/11546395



C&C welcomed.

(Moderator edit - when using the Youtube tags, only use the ID of the video - HB)