UV to Mesh
UV to Mesh is a free plug-in for 3ds Max that can flatten your mesh based on its UV seems.
Siger Texmap - Scratches
Siger Studio have released a free texmap for 3ds Max that applies random scratches to the surface of objects.
Carbon Scatter for 3ds Max
E-on Software has released Carbon Scatter for 3ds Max, with versions for Maya and Cinema4D coming soon.