OK this is how i did it. PLEASE NOTE I DID THIS ON A NTSC/U CONSOLE I DONT KNOW IF IT WILL WORK ON A PAL CONSOLE:
1. Sign out of XBOX LIVE
2. Go to "Join XBOX LIVE"
3. Select "Join XBOX LIVE"
4. Enter a Gamertag and wait for it to check availability
5. Select "No, Create One" to a Passport Network Account
6. Choose USA for the country you want to download and enter language and birthdate
7. Enter a valid email address
8. Enter a password, confirm it, then select a secret question and answer
9. Enter first name and last name.
10. Enter a phone number this can be anything but it must be in the right format. I used 11225554477
11. Accept terms of use
12. Select Free Membership
13. Enter anything for Address 1 and city
14. For state select CALIFORNIA
15. For zip code select 90210
16. Pick any Gamer picture
17. Pick any GamerZone
18. Choose Y or N for spam
19. Select your device for storage and wait for your member ship to create.
All done. You can now download USA Marketplace content. The only problem i come across was you need US Microsoft points you cannot use AUS points. I found a place online you can purchase US points and they are delivered immediately via a redeemable code via email. The site is:
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