A couple hours!?! I don't have anything that takes a couple hours. Hmmm. Even if I assume your processor is 4 times slower than my laptop (which it isn't) you should see nothing longer than 10 minutes for the kind of render you are doing. You have no refraction or reflection that I can see,which are the usual killers.

What version of Poser, and service release?

What are you render setting, light settings, shadow settings, etc.

I can do a render like you produced in less than a minute.

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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)