If you are looking for catholic podcasts or videocasts, you will find some excellent ones here. And they are free.
Father Jay Finelli of iPadre
Father Beshoner's
Catholic: Under the Hood
Here are prayers-to-go
on Praystation Portable
Podcasting lets you listen to unique and hard-to-find content. It transmits a voice and its message around the world without using public airwaves.
Podcasts let you listen to what you want to hear, whenever and wherever you want.