Oh, I missed my editing wondow for the above post.  The Reyes page to which I provided a link states that Pixels 3D uses Reyes.  Wasn't Firefly based on Pixels 3D?  Or was that the material room nodes?  Hmm.

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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.