There is in fact an EPCOT webcam. The camera is on top of the Swan Hotel, pointing towards the park. Mostly you can see Spaceship Earth, but it's fun to watch at night. The picture updates every 5 minutes. Enjoy!
http://www.aws.com/wxcomm/commercial...id=LKBNV&siz=s
Here is the latest image as of this post:
http://instacam.com/InstacamImg/lkbn...20051520_s.jpg
