Here are the same textures, but I replaced the shader nodes with mine from VSS. (VSS is free if you want it.)

There are quite a few subtle differences, but nothing major. RM"s shaders produce a little more contrast but that can be a matter of taste as to which is more desirable. I tend to think mine is more realistic.

Note - the darker figure seems to have an excessive amount of specular reflection on the forehead. That is not the shader. The specular is burned into the color map. This is one of the little "issues" I have with some of RM's textures.

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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)