personal work - http://
I recently wrote an Q&A article for the 3DArtist Magazine issue#46 on the subject of Volumetric Lighting. You can read it in the magazine on how to have more control over volumetric light effect in 3ds Max without any extra pass in the base render??
Here is the image I used for the 3D Artist article, it's part of my personal work "House L"
3dsMax, Vray 2.30