The Penguin is doing it's thing in Tinsel Town, From Here [computer.org]
The use of Linux on PCs is becoming pervasive in the movie business, supplanting traditional platforms such as Sun and SGI in much of the film production process. The Linux operating system initially found a niche for use in computer-generated image rendering for film.
Paul Debevec, ...notes that his organization uses "a cluster of 20 dual-processor Intel 1-GHz Linux RedHat 6.2 nodes as our render farm.
And according to This newsforge article [newsforge.com], DreamWorks is also heavily using Linux as a front end desktop application, they currently have over 600 Linux powered workstations.