As far as I know this worked in Poser 5 as well, Sharen.

Uhm.. I never thougth about it NOT being common knowledge.

Here's how:

Rightclick on the Surface node (The one called MatmaticSurface here, I used one of Bagginsbill's brilliant matmatic materials to show this with a really complex shader) to bring up the menu. Then just follow the pictures

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You just can't put the words "Poserites" and "happy" in the same sentence - didn't you know that? LaurieA
  Using Poser since 2002. Currently at Version 11.1 - Win 10.