PODCASTING Profits
Forbes – USA

Four ways to make money in podcasting.
– Embedding advertising in the audio itself. Basically, this uses the traditional model of radio.

– Free and premium channels. This is how many content sites make money. There may even be subscription services, kind of like a magazine.

– An enterprise model. This would mean selling sophisticated products to major customers that would have special features, such as security.

– Advertising, which is currently the predominant approach.

Read more at:
http://www.forbes.com/home/entrepreneurstechnology/2005/09/14/podcasting-blogging-internet-cx_tt_0914straightup.html