I am on a Mac.
OK now that the bashing is over.
Where in your file archetecture do you have these files on a PC. Am trying to get it to work on Mac but havintg some difficulty.
on pc they go in the :C/program files/return to castle wolfenstein. Just check out www.rtcwfiles.com and ask q's under the boogie mod #3 or mabye the readme will solve ur problems.