I have a Python script at the Python scripts link in my sigline which can rip JP poses from a .cr2 or .pz3.  It isn't great coding, but it works for me so far (I used it to generate the example, for instance).  I believe it should work in Poser 7, but it will require a Python installation to be run as a standalone if you have an earlier version of Poser.

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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.