A new advertising progrm, which has been in the works for a couple months has just unveiled itself, today. Adgenta, which says that it does not compete with AdSense (meaning that you should be able to have both of them on the same page [not verified]), allows you to place ads, directly inside your posts, rather than making changes to your template.
This is a great idea for anybody who is not comfortable editing PHP and CSS files.
The advertising program works with the free Qumana Editor, which is offered by the same parent company. The Qumana Editor allows you to post to multiple blogs from one program, which runs on your local machine.
Here is an example (actually a “real” ad) of how the embeded ads look: