We don't have any control over the ads you see on the site. Every user sees individual ads based on their browser and search history. Normally, offensive or x-rated ads are filtered by Google, but sometimes a few come through anyway.
What you can do if you see an ad like that is click on the little x in the top right corner and report the ad to Google. We, as WoP and WoX, cannot do anything about the ads you see, though.
Customer support service by UserEcho