Podcasts from onestopenglish include:
Live from London (interviews with members of the public out and about in London, Oxford and Edinburgh.)
The Road Less Travelled (a soap opera)
The Space Invaders (an intermediate level audio serial)
The Well (a beginning level audio serial)
Meet Rebecca, an aspiring singer on a journey across America in this series of fifty 15-minute instructional video episodes for English language learners. (For levels from high beginning through low and high intermediate.)
Voice of America (VOA) podcasts use a core vocabulary and simple sentences to help you improve your English while you listen to short features on American life, world news, and developments in science.
Two short weekly podcasts in clearly spoken English (British) allow you to improve your listening skills and learn new words and expressions. Many podcasts are linked to grammar and vocabulary notes or to quizzes or exercises.