The following section talks about the XML Google Maps Datafeedr Random Ads V2 plugin.
This free plugin allows you to easily insert rotating ads into your theme or sidebar. Just about every type of ad is supported, including Google Adsense, ads from other affiliate programs, banners, flash, images, and text. Version 2 is for use on blogs using WordPress 2.8 or newer. Brought to you by the Datafeedr.com team, the plugin homepage is http://www.datafeedr.com/random-ads-plugin/.
Before getting started, you will want to gather ads to use. A variety of affiliate programs can help get you started. In addition to Google Adsense and Yahoo! Publisher Network, you might consider affiliate programs such as Commission Junction: http://www.cj.com