An ad network with some high-profile advertisers which provides a comprehensive affiliates scheme. Affiliates can use a combination of marketing methods, including search engine marketing, e-mail marketing, contextual advertising, incentive marketing and banners. Affiliates may specialize in one or more of these effective online marketing methods. You can also make use of their real-time tracking technology and benefit from support from affiliate managers.

Make money by providing referal links to Amazon for products your blogging about simply and easily. This Brazilian service is still in its infancy but you can sign up to join the beta now. See the post on TechCrunch about BooBox.

Start a blog with BlogChex, or migrate your existing one over, and they'll handle your advertising for you. You write in your blog, attract readers and they find advertisers then pay you.

Noted by Nik Cubrilovic as being more relevant and offering better returns than the Google AdSense, try out this fast growing contextual ads network.

Place targeted contextual ads from the BidVertiser network on your website and get paid per click. Advertisers can browse lists of publishing websites and choose which they want their ads to appear on. This, hopefully, will make more relevant ads appear on your site. However the relatively small number of advertisers using the service (in comparison to the Google ad network) may cause the opposite effect.

Make money by placing targeted ads provided by Google on your pages, a great easy way to make some money without bothering your users too much.