On the eyes: Yes, I think it's a bit clumsy having them the same material zone, but it isn't a huge problem in Poser 5 and later. Step 1: Use the U_value and math|step nodes to get a black/white vertical split. You could use a texturemap, but why bother? Step 2: Use that to control a blender node. Step 3: feed the two different V4 eye textures into the blender node. Use the blender node output as you would a single texture. On the tongue: Yes, I reckon the joints will be doing a lot to create the phonemes. It seems that a lot of what are single expression morphs in V3 are composites of several morphs in V4, controlled from a single dial. Which is a well-established system. But I hope people making conforming clothing do a little editing of surplus body parts. It's bad enough finding a pair of shorts has arms and fingers. Why would I want a tongue in my... No, don't answer that.