How to install Sushi Craft Mod and Minecraft 1.4.6
1. Open the .Zip with a programm of your choice (Winrar/WinZip/7Zip/etc.)
2. Search for %appdata% and then open the .minecraft folder
3. Inside the .minecraft folder go to “bin” and open the minecraft.jar
4. Note: Don’t install modloader or ANY other mods.
5. Delete the Meta-Inf Folder!
6. Put everything inside of the Reallife-Mod into the minecraft.jar
Credit : KingstoneKingdome