below are a number of links which might give you some more ideas, tools and some great podcasts:
Podcast.net - The Podcast Directory http://www.podcast.net/
Podcasting Toolbox: 70+ Podcasting Tools and Resources http://mashable.com/2007/07/04/podcasting-toolbox/
libsyn // podcasting made easy https://www.libsyn.com/index.php?&mode=logout&message=
Judy’s Web 2.0 Notes http://judyoconnell.wordpress.com/
Podcasting Tools http://www.podcasting-tools.com/
SMS Podcasting Support Page http://www.sps.lane.edu/sms/Podcasting.html

ABC Online: Podcasting http://www.abc.net.au/services/podcasting/
Apple - iTunes - iTunes Store - Podcasts http://www.apple.com/itunes/store/podcasts.html
The Education Podcast Network - http://www.epnweb.org/
Have a look at this site podgrunt.com -
Look also at the videogrunt stuff
I have subscribed to both of these - they look great and could be really useful in workshops etc as well as showing us what to do!!!