ok the colour diffuse channel should have no effect because it's value is zero, other than display the texture in the preview room, right? So if the texture not specular is plugged into the diffuse channel it should show in the poser preview. Could it just be one of those poser bugs, that restarting poser fixes?

I am a bit worried BB will come in any second and tell me how wrong I am, and in doing so help put my foot firmly in my mouth.