Looks like most people are not even reading the posts! They keep on suggesting AdSense, when the OP has stated clearly that he is already using AdSense! HAHA… Well, as mentioned above auto insurance can be a gold mine! Find one that is a CPA (Cost Per Action) and get people to sign up for a quote using your site! If you do not like the insurance idea, go to CJ.com (Commission Junction) and do a search for products that are related to your blog. If you are using CJ.com continue to write your posts as normal. When a keyword comes up with a product name or product niche link to an affiliate program on that keyword. You can also find programs with 125x125 banners or other sizes to place on your site! Next step, generate traffic to convert!