Sony Pictures ImageWorks has updated their website with some step-by-steps on the processes used to build a standing army shot (good example of multi-plate compositing) and a flyaround of the Berghof House (good use of compositing with CG Rendering passes).
The entire site is flash however, so click “shows” in the upper-left, then pick “Valkyrie” from the list on the right.
Sony Pictures Imageworks – Award-Winning Visual Effects and Character Animation.
