Missed my editing deadline. 

If you're going to distribute poses which modify the parameter groups, I think that part should be separate from any other function of the pose.  It seems that grouping poses don't insert new groups into the parameter dials so much as overwrite any existing ones, in the affected actors.  So a combination hide/show and grouping pose would be useless to anyone who's already customized the parameter groups for Body.

Unless there's some way around that problem that I can't imagine.  (Les?  Anyone?  Ever worked with parameter group injection poses?)

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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.