Yeah that's an idea I've had. I've given out hundreds of free shaders, but they're all over the place. Assembling them, and including good documentation, would probably be worth something. I started just that - an e-book about writing shaders, but I can't stop making new ones.

Now I'm into sphere props. You may have seen my orbs. I'm putting the finishing touches on my environment sphere. This is a prop that directly takes spherical panoramic images, LDR or HDR. It surrounds your whole scene and is great for introducing a full sky.

Here's a test render. The reflections on the car are so much more real when you have a full sphere around your scene, instead of using a sphere map image.

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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)