Ashley9803 - I wish I did this for a living. But I am a software engineer and messing with shader nodes is just like using a programming language, so figuring out how to do math and assemble pieces to do specific things is just like writing software. Which I am good at :) However, to do well, you also have to know what light is doing. I have studied physics (in high school I got a perfect score on the physics SAT) a lot, especially the physics of light. So if you really want to do well with tricky stuff, learn how light works. I don't mean physics, per se, though that helps. But understanding diffuse, specular, refraction, reflection, these are the basics. Then you have to get really familiar with all the shortcuts and approximations that Poser makes and learn to work around them when they mess up your scene. After that, drag and drop :-) Oh, and a HUGE, HUUUGE, amount of time spent experimenting.

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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)