Hi Bendox
Try and check SEXMoney.com. We offer about 200 Sites in German. And not just the language is important, the billing methods as well. For German User we provide "Lastschriftverfahren" wich is a German Direct Debit, Credit Card, Dialer, Voice Dialer and some more. The User will be billed in Euro. On our German Sites we have conversionrates wich are very very good!
If you have any questions or need more details, just hit me up
ip@sexmoney.com
Best Regards
Ines