Joel Osteen is a famous Christian preacher out of Texas. He has a television show, and has books on the New York times best sellers list, and he's been interviewed on 60 minutes. Today in episode #363 "Favor is Released" Joel mentions that his podcast is now downloaded 5 million times a MONTH.
The best thing about it? You can use the same tool that this media giant does. www.schoolofpodcasting.com