Quote - Changing the pixelfilter to "gaussian" instead of "mitchell" might also help decrease the amount of fireflies.

Pixelfilter?  Where?

"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