Podcasts for Teachers about Teaching:

http://www.schoolofeffectiveteaching.com/
The School of Effective Teaching is a podcast dedicated to the topic of Effective Teaching. The topics are not limited to any particular grade level, elementary, middle or high, however, teachers will find that some strategies are more effective with a certain age group than with others. (Source: Dr Joseph Brown)
A excellent resource for quickly reflecting on your practices within the classroom. We can all improve our pedagogy and this podcast allows us to dissect our practice and actively think about improvements.