For some reason when i try to make the minecraft.jar file into a folder via the Mac's archive utility it turns it into a .cpgz file instead of a folder. It never did this before 1.2.4 and i haven't been able to use mods because of it. I tried renaming minecraft.jar into a .zip file and that worked but once i installed the mods it made minecraft crash. I tried it several more times to make sure that i didn't just install the mods incorrectly and it still crashed. If any of you know how to fix this i'd greatly appreciate it.