this might be worth looking at
Fonpods: Podcasts On Demand!
its one of a few services that let you listen to podcasts over the phone.
i havent used them, but my understanding is that you call a certain number enter an ID number and it plays the episode
here is an article with more info (i havent got to read it yet)
Techcrunch » Blog Archive » Listen To Podcasts On Any Phone
