I use Poser 8 and I use IDL more often then not. I also use the Environment Sphere. But I do NOT GC the image at all. It just looks wrong. I also last night discovered a little trick and applied it using the VSS system.  You can adjust the texture strength. I wasn't sure you could. It is set to 1.00, of course, but I put it at 1.1 and to me it seemed to look much better. Here's a small size of the image. And yes, it's hard to use IDL with very low lighting.

"A lonely climber walks a tightrope to where dreams are born and never die!" - Billy Thorpe, song: Edge of Madness, album: East of Eden's Gate

Weapons of choice:

Poser Pro 2012, SR2, Paintshop Pro 8