We have been working hard to get the Dirt Fan Podcast system up and running.  This is the first commercial application of our Podcast/Podcall API.  Big Interactive created the Flash site in the form of a virtual magazine (Dirt is about a gossip magazine) and simply connected to our API.  The API is ready and waiting for other applications, just give Jake McKee a call at 214.550.3603 and he can get you started.  Check it out here, the screen shot is below: