Click the "Episode ___" link in the first paragraph, then search for "Direct mp3 download" on that page.

I'd love to see more details on what you do. I haven't found a good automated solution yet. It seems like the solutions with acceptable quality involve Mechanical Turk.

Edit: I added a Bing attempt, and I'll link the list, rather than individual eps: http://mefiwiki.com/wiki/Podcast#automated_transcripts