Jayden Peterson has posted a reel showcasing his Houdini FX work.
Halo 2 Anniversary - Cinematic Launch Trailer
Here is the cinematic launch trailer for Halo 2 Anniversary, featuring CG by Blur Studio.
Szymon Biernacki's Concept Art for Halo 4: Spartan Ops
Here's some of the concept art work created by Szymon Biernacki for Halo 4: Spartan Ops.
Halo 4 - CG Intro
Digic Pictures have created this CG intro for Halo 4's single player campaign.