Another interesting streaming site is Qik. Does audio too. There is a droid app that lets you use Qik as a stream from the droid camera and mic and you can watch it from any browser, no setup or anything. Been a couple times I've had to use this as a quick, down and dirty hack.
What I do is forward my calls to my wife's phone, leave my droid monitoring my sick pet with Qik, and bring my netbook along with bluetooth tether so her droid can stay functioning as a phone normally. I can then hear and see my pet in the passenger seat on a decent size screen direct from Qik's website.
The thing is, doing it this way there is nothing to buy, and nothing to setup or configure. Just install the Qik app on the droid and it's simply ready to go, no futzing about. Ditto for the computer receiving the feed. Nothing to setup or install, it's just a bookmark to my personal Qik account.
I don't use it much anymore as my pet has passed on but I know I always have it as an option when I need it and that's a pretty nice peace of mind.
Been wanting to get a bunch of old droids, like some g1's or something, any that have wifi, and using them as multiple remote cameras around the house, as well as things like model rocketry type stuff with them streaming to Qik via wifi from my backyard. Robots and R/C cars and stuff too. Endless uses