Quote - I gave it a try. I guess I'm giving up for now, it didn't work. I got this error out of Luxrender.

Only one string allowed for 'texture' parameter Kt

Aaahh, sorry, my mistake.
Above I had "texture Kt" [0.4 0.1 0.2], that is wrong, a texture would only be 1 value, not 3.
It should be "color Kt" [0.4 0.1 0.2]

A color does have 3 values, Red-Green-Blue.

sigh that's what I get for trying to follow this thread while working. ;)

Software: OS X 10.8 - Poser Pro 2012 SR2 - Luxrender 1.0RC3 - Pose2Lux
Hardware: iMac - 3.06 GHz Core2Duo - 12 GB RAM - ATI Radeon HD 4670 - 256 MB