I've used them as morph injectors for the native Poser figures. It's easy beause the morphs are aleady in their own file when you use pmd's :)

You can see it used in for instance in the Five Free Faces for Simon

(click to download)

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You just can't put the words "Poserites" and "happy" in the same sentence - didn't you know that? LaurieA
  Using Poser since 2002. Currently at Version 11.1 - Win 10.