I have lots of time listening to Podcasts since I started commuting. I found a series of Podcast interviews done by BusinessWeek called 10 Cutting Edge Designers.
Some are worth including in U101:
One report is about an online design community called:
T-shirt designs are submitted rated, printed, sold... We could either use it as part of an assignment (We always talked about T-shirt assignments!) or as inspiration designing our own community functions.