Though it gets used in just about every render, I haven't used EZskin on the scene I'm working on currently: no skin in it. But Scenefixer is getting used, over and over. I can't imagine Poser without it. The fact that every other newbie problem can be solved by downloading and using one or the other of these utilities suggests that SM should send Mr. Gribbly a case of champagne, at the very least. 

Some of BB's shaders, posted in threads here. 

Most of all,while these things cannot be downloaded as such, the advice and assistance, discussions, and information that I've received in these forums have been irreplaceable, and get used in every single render I make.

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PoserPro 2014, PS CS5.5 Ext, Nikon D300. Win 8, i7-4770 @ 3.4 GHz, AMD Radeon 8570, 12 GB RAM.