The History of Rome looks good. Here's the link for their home page, for those of us who don't use itunes: http://thehistoryofrome.typepad.com/
At any rate, this is a simple python script to list all mp3 files in those posts (I like to use wget do do the actual downloading):
It uses the cool lxml library: http://codespeak.net/lxml/
(I use something similar to download all posts of a blog I want to read offline on my kindle).
I think he was referring to Itunes.