The skinning.zip file you have requested: Tutorials / Modding / Skinning Tutorial, Part 1 - 980.83kb is not available. Perhaps try browsing all files for the game Call of Duty 2 and upload any files you want to share or are missing. This is the only information we could locate:
Here's a short skinning tutorial about the basics of skinning methods with pictures included. The tutorial also contains description of the needed editors and links to their sites. This is part 1 of the 2 in total planned.