"GC certainly influences the textures and as you say with GC 1.0 or below the horrible effects appear to be gone "

Gamma is 1.0 in normals - you're not supposed to set the gamma on a normal map to anything but 1. Its gamma (how it is encoded) is 1.

Gamma is 1.0 in bump and displacement maps - you're not supposed to set the gamma on a bump or displacement map to anything but 1. Its gamma (how it is encoded) is 1.

The quoted statement is not something you say about Scarlet, in a thread about Scarlet. You say it in a thread about materials - regardless of what those materials are for.

I do not understand why any mention of gamma for normal maps is showing up in a discussion of Scarlet. You Never, Ever, use gamma not equal 1 on a normal map.

If anything should be said, it is that the author(s) of this figure's materials do not seem to be aware of gamma, or forgot. Either way, the material was not stored properly. Which, in my opinion, is somewhat of an indictment. It's 2015, people. If you're creating content priced above $5 and don't know how to set gamma = 1 on all maps that are not color maps, we have a problem.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)