The entire shot was done with AE (except the 3d tracking which was made with Syntheyes)

See the post on my blog : francois-tarlier.com/blog/index.php/2009/04/fxphd-afterfx-fake-running-crowd-on-vimeo/

Loading more stuff…

Hmm…it looks like things are taking a while to load. Try again?

Loading videos…