Yep that's a bug.Since the textured preview is so weak why not turn down the display and accept that previews are imperfect.
Or is your disclaimer in effect?

It's a bug, then?

I'm not sure what you're suggesting by "turn down the display and accept that previews are imperfect."

My disclaimer didn't really apply to this thread up until the point I read your comment.  :)  I'm not posting without thinking, and I'm not posting in an emotionally-driven state.  I'm seeking information.  Is it wrong to ask questions when there is a perceived problem?  My apologies if I have somehow given offense.  The disclaimer is there because I'm aware that I lose my temper on the forum sometimes, and 'Rosity limits the time within which one can edit a post.  It's intended as an apology.

Back on topic, does anyone have any useful information about the matter?

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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.