You can be outside of the US and work with many sponsors. Would be helpful to get a epassporte account for payment.
Make sales with
AWE and they'll give you $100 bonus for signing up and an epassporte account for free.
Other sponsors to look at:
BangBros
NastyDollars
Topbucks
Spacash
Quickbuck
Moreniche
Clickcash
Moviedollars