It seems to help a lot with arms to position them more or less as desired, turn on IK, then adjust the shoulder and collar until any distortion in the initial pose is corrected.  I've been doing this while testing various poses designed for other figures, and it seems to be working well.  (I keep ending up with too much shoulder twist, which needs to be corrected, among other things.)  Sort of makes me wonder if an IK chain for the torso, or at least the head and neck, might be useful.  Posing the head for any figure has always seemed particularly tricky to me.

I'm slowly zeroing in on another character.  :laugh:  And hoping that doesn't count as off-topic for the thread, as I know that's been a concern.    At any rate, I think I'm about ready to start getting the clothing together.

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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.