uStream.tv might just be the answer to your dreams. Using only your webcam, web browser and Flash plugin, you can be broadcasting to your friends, family or the world.
Here is a test run I gave the service with some of my fellow Friends in Tech members. It was done using only the built-in web cam on my laptop.
Technorati Tags: DIY, howto, how-to, podcast, podcasting, technology, high-tech, free, video