"We make it ridiculously easy to put ads on your podcast. All you have to do is sign up for an account, and post the new feed URL we create for you on your website (or redirect it through another service, such as the excellent FeedBurner). Each time a listener downloads an episode from your new podcast feed, we'll check to see if there are any ads that have been assigned to your podcast. If so, we'll automatically add them (at either the beginning or end, or both) into the MP3 file that your listeners download. Each ad takes the form of a brief spoken statement. We approve each ad before it goes live, and we won't hesitate to reject anything that we think would annoy the podcast publishers or their listeners."