Share 'Best way to make "podcast" available to museum visitors???'

I have had several of my middle school students create audio files describing several of their favorite pieces of art in a local contemporary art museum which the museum would like to turn into an audio tour. We have a separate file for each work of art that would be on the tour. We recorded them on a digital recorder (Olympus, I think, recommended by Gail D--thanks!). I am only a techie-in-trai…