Are you asking 'how to podcast?' or any tips etc?
Anyway I've never done it but it looks pretty easy. You need to know about xml and rss? A good site is RSS tutorial site with podcasting you just add a link to the mp3 file. Within an item add this tag <enclosure url="???? url.mp3" length="????" type="audio.mp3"/> the length is the size of the file. Here is a link to an xml/rss feed if you open it with web browser you should see the text xml file it should help you see how its constructed.
hope it helps