Podcasts I listen (or used to listen) to:

Reasonable Doubts
Speaking of Faith
All in the mind
Point of Inquiry
The Skeptics' Guide to the Universe
Apologia
This I believe
Bad Buddhist Radio
Polyamory Weekly
The Philosopher's Zone
Philosophy Bites
Buddhist Geeks
Skeptoid
Philosophy Talk
The Psychedelic Salon
The Infidel Guy Show
The Sci Phi Show
Audio Dharma
The Urban Guru Cafe
Shrink Rap Radio
SNR - The Naked Soul

Some of them can ocasionally make an sceptic like me cringe, but that's part of the fun.

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Other stuff (work very much in progress):

The Science Network (video), especially the Beyond Belief conferences.
Stripping the Gurus (online book)