Do you have troubles registerring an account?
Here are all payment options you can try:

Credit Cards (CCBill)
Credit & Debit Cards (Epoch)
Credit & Debit Cards (SegPay)
Online Checks USA (CCBill)
Online Checks USA (SegPay)
Direct Pay EU (CCBill)
Direct Debit EU (Webbilling)
Direct Debit EU (SegPay)
Telephone USA (CCBill)