rottielover:"post a question" page on your website (you can do this any number of ways), and do a little "call-in" session. Most talk radio shows have a call in segment, so why not do a short section on "comments from our last podcast", or "questions from our internet site". I think it would be a great way to get your follower's involved with the show more.
We have a voice mail line set up now. 206-20-Diver Leave us your questions or comments. We will play your questions on air.