With Irreverence and an iPod, Recreating the Museum Tour: "The rise of podcasting is now enabling museumgoers to concoct their own unofficial audio guides and tours."
Today the New York Times has a piece about the rise of do it yourself museum audio tours. Instead of renting the museum audio device, you might download to your MP3 player a narration created by someone else other than the museum staff. Another example of a use of podcasting for something other than Wayne and Garth ramblings.