4. Open EzGt, click icon at top left and open you profile.
navigate to "add" and mod,then navigate to "options" and add a number or a letter.
Then click save.
5. When you have saved there should be a file on your desktop.
go on Xplorer and minimize all then click "content" and drag that file in.
6. Put HDD back in 360. play MW2.
7. Tricky part. When you get to multiplayer sign out. click "Xbox live" sign in with modded account. an avatar selection should come up. click your dashboard button.
click "Xbox Live" again and sign in with real account.....DONE!!!