Originally Posted by
Cromon
There was never a way to make MPQ-Name -> plain text. So far blizzard has just been nice enough to put a file inside the MPQ archive with a list of all files contained in the MPQ. In the archive per se only hashes are stored which are not reversible. Unless there is something similar in the archives we have here -> no way to get file names from the archive (i havent had a look at them at all, so maybe there is such a list file).
FYI: The beta client accepts files on the harddisc, so if you wanna overwrite lets say 'Interface\Buttons\foo.blp' youd place a file in wowdir\interface\buttons\foo.blp.