The rtcwwolfskins_pak.rar file you have requested: Skins / Skin Packs / Chriptor_Recopilation - 7.53mb is not available. Perhaps try browsing all files for the game Return To Castle Wolfenstein and upload any files you want to share or are missing. This is the only information we could locate:
Here is a skin pack, that the developer had done as a recompilation; this will make some changes to both the Allies and the Axis. See the readme and screenshots for more information.