I think this might could be very interesting for you
They have all kinds of ways to be promoted here among live sex.
The user will receive the site in their own language and they will call a number getting a password told in their own native tungue.
You can also use them as a billing option on your own content, this is a really cool and well converting program.
Hit me up on icq if you wanna know more.
Go try them out or take a look at what they offer at
www.PasswordByPhone.com
This is one of the best way to convert foreigners into $$$
