In Poser 8, however, the file will open with anti-aliasing but will lose it if I switch cameras, and it is never restored.  Apparently nVidia can impose the settings on P8 only when it is initially opened.

Here's a P8 screen grab.  Jaggies!

I'm only able to get any anti-aliasing at all in P8 (before switching cameras) by forcing the settings with nVidia.

Does anyone else have problems like this, or suggestions for how I can correct this?

I have recently updated my display and graphics drivers.

Thanks for any help or suggestions.  :D

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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.