That's awesome! Love that they can change the ad's they are watching.
So do you get paid if they click on the change ad links? we have to investiage....it will probably be very successful

I think the google adsense program is great the amount of money you can make is incredible, however, I do advise you not to click on your own websites ad because your account will be disabled and they are very strict about that.....read the google terms of service here..

https://www.google.com/adsense/terms