Several podcasts are produced by Mp3 Bloggers. Here are a few:

All Over The Place Podcast
Aquarium Drunkard Podcast
Blonde On The Inside!
Cassettes & Chocolate Milk Podcast
Catbirdseat Monthly Podcast
CBC Radio 3 Podcast
Contrast Podcast
Podcasting Directory
dublab Podcast
Headphones required / Mets tes écouteurs podcast
In House Radio Podcast
Indie Bear - The Untitled Podcast
The Indie Hour / Irish Radio Show Podcast
Indie Interviews
Live Jambands in Holland Podcast
Mixtape Songs Podcast - Wiki Article
nialler9 / Monthly Podcast
SAS Radio Podcast
Take Your Medicine Podcast
The Bored-Again Christian Podcast
You Can Call Me Betty Podcast
Indie Invasion