From FAQ:
Our banner system will take care of that, you will earn a 1:1 ratio 5 days out of the month. \r\nautomatically. You will get an email notification about the 1:1 ratio, please make sure to get your banners online when this occurs to earn FULL AD EXPOSURE!! \r\nAll members who successfully join will automatically start earning $0.10 per click in redeemable ad-bucks, once you reach our minimum ad package rates you will be able to BUY it using your AD-BUCKS.