Step 1: Turn Jtag On.
Step 2: Go to Game Library/XeX Menu
Step 3: Move the
XeX Menu Files Your Using Now onto USB Drive
Step 4: Take out USB
Drive
Step 5: Place Drive in Computer or Laptop
Step 6: Take Patch you
would like to put in and drag it into XeX Menu Folder
Step 7: It will ask you
to Replace. Do so!
Step 8: Eject USB Drive
Step 9: Put it back into
Jtag
Step 10: Sign in Non-Banned Profile
Step 11: Go Back to XeX
Menu
Step 11: Find Patch Inside Menu<
Step 12: Click Y on Patch and
Copy
Step 13: Click X and Click HDD
Step 14: When in HDD go down to
Content
Step 15: Inside Content Click Games<BR>Step 16: Go down to MW2 and
Click on it
Step 17: Go to the second file down and Click Y
Step 18: Go
down to Paste and Click it
Step 19: It should say... Destination Already
Exists, Would You Like To Overwrite This Crap? -Click Confirm
Step 20: Now To
Test... Go down to your default_Mp as you would to start a regular game
Step21: Start Game and BAM New Patch

thanks if u need help post ur aim thanks