How to add AdSense to your blog

First, you must have an AdSense account. If you don't have one, apply to join the program. There are bloggers who have got approved AdSense accounts and they may put referral buttons on their blogs, and you can apply for an account via the referral buttons on their blogs. One of the blog is AdSense Alert (close new window to get back to this page), which also have more details about the AdSense