Hmmm yeah, it seems that uploads expire automatically at uploading.com. I can't reupload it right now (probably will be able to in 2-3 days), however, if the only thing you want is tweaking the early religion spread rates, go to Beyond the Sword\Mods\Fall from Heaven 2\Assets\XML\Gameinfo\CIV4ReligionInfo.xml and modify the iSpreadFactor value of each religion there. Setting it to 5-15 would ensure a very humble spread rate, and setting it to 0 would disable the natural spread rate completely.
Default FFH AI sort of lags at researching late religions, but it eventually will research them.