Motiva COLIMO 1.7
Here is a tutorial on using Motiva COLIMO 1.7, a realtime postproduction tool with native Vray 2.4 support.
Making Gravel with MultiScatter
Alexey Duk has posted a tutorial on how to create gravel with VrayPattern and MultiScatter in 3ds Max.
CGCookie - Advanced Car Rendering in VRay
CGCookie have released a tutorial series on advanced car rendering in VRay, with compositing in Fusion.