--DOWNLOAD HACK
http://uploading.com/files/6c76b2f4/BLUS30377-PROFILEMP-JDLEALPIO20.zip/HOW TO USE IT
Download the hacks.
Extract the folder with WinRAR
Now move the "PS3" Folder to your flashdrive.
Safely remove the flashdrive from your computer.
Plug in your flashdrive into your PS3.
Go to "SAVE DATA UTILITY" and copy the gamesave that is in your FLASHDRIVE onto the PS3.
Start up Modern Warfare 2
Go to split screen and load up the profile.
You will get some error, that's fine.
After you get the error just go back to splitscreen and start the game.
You should have everything unlocked.