Googling the phrase "live webcams" may not return the most insightful or educational content available on the web, but there's certainly some great stuff out there.
From a sociological point of view, Jenni Cam was an important early example of how the internet could create a cyborg subject by integrating human images with the internet.
The New Years Eve Times Square webcam was a USTREAM live stream setup for a couple of hours.
What used to be an expensive effort, is now an easy and affordable process.
The quality difference is literally night and day compared to the Mac Book Pro webcam.
One advice would be not to mimic my setup on the right though, it was experimental at best, and certainly adds a certain level of stress.