Does it help in Poser if you zero the shorts, memorize them, then conform them?  Upon being conformed, a figure will have its memorized settings restored.  If the memorized values contain any posing or scaling, the figure may not fit properly upon being conformed.

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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.