The Praxis Podcast
This is a semi-regular podcast of interviews and discussions that focus on doing the "deep Kingdom" work of Jesus -- ministry to the poor, missionary work, etc ... The podcast averages about 2 episodes per month, and each runs anywhere from 30-75 minutes. Each episode ends with James Liption's 10 questions from "Inside the Actor's Studio," which are bizarrely insightful.
They manage to interview a range of interesting people doing a range of interesting things. My favorite episodes are 11-13, interviews with Karen Sloan, author of the terrific "Flirting with Monasticism." I briefly reviewed the book here: