I spoke at the Word of Mouth Marketing Association a few weeks ago and did a podcast on creating corporate blogs. Apparently the podcasts are also available through iTunes, Odeo, Yahoo, and every other major podcast channel. Pretty cool.
Both of my presentations are available through the WOMMA web site at:
You'll need to scroll down (or do a Find in your browser by my name) to get to them, but they're both good primers on each topic ("How to Create Great Blogs That Get People Talking" and "How to Sell WOM to Your Boss").
I also met the PR genius Steve Rubel of Micropersuasion.com. Steve is such a visionary in this field, if you want the latest and greatest on Web 2.0 and PR then subscribe to his RSS feed.