Kalon, it wouldn't work.  :(  The poses can add, but they can't remove.  Once Poser has decided that a .cr2 has junk materials, they stick around until they're manually removed.

(Hoping some Poser genius will come along and prove me wrong....)

Dang - scooped again, while I was responding.  :-P

LostinSpaceman - doesn't the face room actually substitute a new universal head geometry?  Presumably the new geometry has the faceroom material in the .obj.  If you add a new material to a figure .obj without adding it to the .cr2, Poser will automatically append that to the file when you open it.  That's what I would assume, anyway....  

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Cage can be an opinionated jerk who posts without thinking.  He apologizes for this.  He's honestly not trying to be a turkeyhead.

Cage had some freebies, compatible with Poser 11 and below.  His Python scripts were saved at archive.org, along with the rest of the Morphography site, where they were hosted.