Well, you don't have to copy manually any files from data directory. Just install vanilla fallout via wine and when you're sure that it's running without problems, download RP windows installer and run it. It will do all work, after that just to be sure, set protos/critters folders in data to read only, because when you run fallout, it will replace them by vanilla files from dat archives.
When all is done, add dll overwrite for ddraw.dll in wine so it will use sfall and not wine ddraw.dll implementation.
If you encounter "error loading cities" message box, then you didn't overwritten ddraw.dll in wine. If classical "can't read memory or something" error occurs then you installed RP badly and you have to install all again.
Just follow steps from RP technical wiki, there is all info you need. If you have problem with running fallout at ll, look at
http://appdb.winehq.org/objectManager.php?sClass=application&iId=194