If there are songs or discussion on you tube which you would love to hear it as audio instead of audio , YTPodcaster is an excellent solution for this. It is an online tool which convert 20 recent YouTube video ( mass conversion) into a Feed which you can subscribe and listen to with any Podcast Software.
This service also has feature of creating feed list for any region ( i.e. India, US ) which you can subscribe in iTunes, Zune or just an RSS feed.
The feeds which is created is categorized into Most Discussed, Most Viewed and the standard feed. This makes it easier for people to subscribe in mass and saves all your time which you would have spent in finding them. Check out YTPodcaster