Professional

The Stage Podcast (iTunes edition)
CURRY.COM
Show Time Spanish
Yorkshire Post podcasts
BBC History Magazine
The Daily Outcast
Third Rail's Podcast
Nature Podcast
BBC Focus
iTunes Festival
Capital 95.8 - Capital Flirty Podcasts
The Daily Goss - Showbiz , Entertainment News & Celeb Gossip
For Immediate Release Podcast
The BUPA Great Capital Run in aid of Help a London Child
OracleBusinessSense
Best of Today
Cornucopia Radio Show Podcast
Littlewoodpoker.com Pokcercast
Choice FM's Alternative Reggae Show
The Fashion Update
Coffee Break Spanish
OPEC Monthly Oil Market Report
Chill Meditation
Celtica Radio
World Rally Championship Official Podcast - 2008
Coffee Break French
EPL Talk Soccer
 
Personality 
private podcasts
non Profit
Podcasts from universities, clubs and non-profit organisations
Business
Companies and commercial senders
Professional
Podcasts from radio and TV stations or publishing houses