Attached Link: HDRI IBL in Poser using LDRI with Nodes

Of course you can use the MicroCosm SkyDome - that's what it is for. However, I'm not crazy about how that was UV mapped. I don't remember why, I just remember that I could not get the results I wanted as easily as with a sphere. 

If you read my article on Not your average IBL image, you'll see I did some wacky stuff with spheres.

Also, the article linked here is pretty cool. It covers more on making an environment sphere and IBL that both light your scene and provides the 360 degree background.

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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)