Quote - Raising contrast shouldn't be too hard by adjusting the colors, although the point of GC is to let you see detail that used to be hidden in shadows.

If it is going to prevent one from intentionally hiding things in areas of darkness, it would seem to me that an obvious option -- disabling the effect selectively -- has been omitted from the feature.  But I don't know what I'm talking about.  :lol:

I would go further with the brightness of the sparkle and the darkness around the edges.  The dark areas should be almost black, assuming the lighting in the scene allows any visible shadowed area.  The bright parts should come out as white at their brightest points.  What you have isn't bad.  I've used versions of my effect which were similar, but gradually worked toward something which comes closer to the source images I use as reference.

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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.