Ahh.. interesting. I'll go check out that thread. It's probably mixed up with transparency issues though, if your images above are any guide. I guess it may also depend on what type of lights you use (my experiments have mostly included directional lights).

Cinema4D Plugins (Home of Riptide, Riptide Pro, Undertow, Morph Mill, KyamaSlide and I/Ogre plugins) Poser products Freelance Modelling, Poser Rigging, UV-mapping work for hire.