I am going through some great experiment nowdays. Trying to earn more with adsense. And somehow i am able to make it. But i am yet not through with my plans. till now what i have done is all according to TOS. Since i am still trying to make it fully successful i would request you to share your experiment which work ed for you. I will post all your experiment on my front page along with your name.The site have alexa rank of 277000 for 1 week avg and page rank of 1