Umm. At this point I would try to verify that the magnet is actually set up to affect the part you want. Select the problem body part and look at it's parameter dials. there should be a dial for the magnet. The dial should be set at "1". Also check the properties for the body part to be sure that "bend" is checked. If bend is off, the magnet will not do anything. You could just spawn a fresh magnet for the desired body part as a test.

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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.