The celshader.zip file you have requested: Mods / Graphical Tweaks / Cel Shader Mod - 4.07kb is not available. Perhaps try browsing all files for the game Doom III and upload any files you want to share or are missing. This is the only information we could locate:
This revolutionary mod applies cel shading to Doom3, giving it a cartoonish look. Using a unique custom shader algorithm by Junkguy, Cel Shader provides a fun and interesting way to experience Doom3.NOTE: This mod requires at least a Radeon 9500 or GeForce FX.