Are you by any chance using shadow mapped lights and not raytraced lights? That's the only thng I can think of that might bring this back. Since I started using IDL I've never seen a glowing nostril :)

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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.