Out there, there are a lot of tips and trick about how to succes in Google Adsense Program. But, I am sure with my trik that if you want to make dollar from that program, you should have some website or blog with good traffic.
The best way traffic to your blog are come from Search Engine like Google and Yahoo. And all of search engine like the blog that have original content inside that blog. So, you must regulary write your very original content whatever the content topic. The important is your content should be useful for your reader and have unique content.
Finaly, good luck for your work to manage your blog and earn some free dollar from Adsense.