Pete Draper has made an 11-part tutorial on creating a tornado using Particle Flow in 3ds Max.
PEN Projection Demo
Paul Neale showcases his Pen Projection modifier that allows the projection of a mesh onto the surface of another object in 3ds Max.
Exploring OpenSubdiv in 3ds Max
Neil Blevins shows how OpenSubdiv makes it easier to transfer your models between 3ds Max, Maya, and Mudbox.
Animation Methods in 3ds Max
Chris Murray goes beyond standard keyframe animation and explores how to achieve different animated effects in 3ds Max.