16gtFa9iyMNafQ4MTcbgWyZKUqfHreGsdg

Some ideas:

Dynamically adjust payouts to match current BTC value - or find an advertising provider that pays in BTC.

Start doing translations of the site into other languages.

Do Russian, then sign up for Yandex advertising -

http://partner.yandex.com/
http://help.yandex.ru/partner/payments/with-nonresidents.xml
http://help.yandex.ru/partner/joining.xml
http://help.yandex.ru/partner/joining/application-form.xml

I think you're aware of the high awareness of BTC in China - that would be a huge market for you and likewise India I suspect.