Podcasting has become an important and effective tool then learning a foreign language. Many ESL podcasting sites have recently surfaced: some offer pronunciation, dictations, songs, sample dialogues, and stories. It is certainly a very effective way to learn, you can listen to content over and over — 24/7. Here are some of the blogs I found which promote ESL learning via audio.
http://www.eslpod.com/website/index_new.html (ESL podcast– for profit)
http://podcastingevo2011activities.blogspot.com/ (ESL classroom activities)
http://www.rong-chang.com/podcast.htm (resources for Learning English)
http://a4esl.org/podcasts/ (stories for ESL students)
The article written by Wesley A. Fryer also discusses the benefits for using podcasts in education.