Siger Texmap - Scratches
Siger Studio have released a free texmap for 3ds Max that applies random scratches to the surface of objects.
Making of Fifth Avenue in NYC by Gilvan Isbiro
Gilvan Isbiro shows how he made his "Fifth Avenue" visualization.
Creating Volcano Smoke - Tutorial
CG Cookie have a cool two part tutorial on creating a smoking volcano with FumeFX in 3ds Max.