And, just to amuse myself, here's a basic Tkinter-driven UV editor which works within Poser.  No bells and whistles, but it can load an actor and export a re-mapped copy of it.  This doesn't require the _tdmt.pyd or anything unusual, but it can be slow when used with actors with high poly counts.

It does require P6+ for the poser.SimpleDialog which is used for actor selection.

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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.