SITE NOTICE | MORE..Next Generation APIs! We are pleased to announce that SermonAudio's next generation APIs are now available to all SermonAudio broadcasters. The new APIs are also a key piece in our internationalization efforts. .. click for more info!
You have to make sure you go to the "code" section and paste it there. There is typically a button labeled "HTML" on the content sections and will show you the raw code. If you paste it there, you won't see it in the editor, but will when viewed in the live site.
One wordpress site that uses it: http://indyfpc.org uses both a widget for the sidebar as well as for the "sermons" page.