Here is a list of the shows on The Overnightscape Underground. You can use these links to view all the posts for a particular show, or manually subscribe to a podcast feed of just that show.
More info on the shows on the forum here.
The Severe Repair Universe
Podcast Feed: http://onsug.com/archives/category/severerepairuniverse/feed
Drive Home With Dave
Podcast Feed: http://onsug.com/archives/category/lensflaredave/feed