BTW: What bagginsbill has posted here is a great tutorial for getting true volumetrics in Poser. It's been my experience that render times with it can be pretty long, but it can be worth the wait. The method I posted is more inspired by game development art and is specific to times when you can introduce geometry into your scene to do the job. If you actually need the light rays to be dependent on "real" light sources, then what he posted is the way to go. Always good to get a number of different techniques in your trick bag though. :)-Les