Anselm von Seherr-Thoss is an award-winning VFX technical director and VES (Visual Effects Society) member with emphasis on particle-based effects as well as fluid simulations, shading and postproduction. He has worked on numerous high-profile movies like Avatar, G.I. Joe-Rise of Cobra, The A-Team, 21JumpStreet, SuckerPunch, Dragonball: Evolution, Tree of Life, Clash of the Titans (3D conversion), as well as numerous commercials and music videos.
Needless to say he is an authority on explosions. In these two tutorials on creating explosions, Anselm focuses on using FumeFX .
Watch over 3.5 hours of FumeFX training.
Part 1 on Vimeo
Part 2 on Vimeo
As an added benefit You can download the 3ds Max 2010 scene files here. (as a .ZIP) and follow along whilst creating your own explosive scenes.
Make sure you visit his website here and portfolio on Vimeo here.