I used Riva FLV Encoder to convert movie files to the popular FLV format. Get it here, free:
http://rivavx.de/index.php?encoder&L=3
I embedded the FLV videos into the webpage using an open-source FLV player, JW Player:
http://www.longtailvideo.com/players/jw-flv-player/
Some windy time-lapse experiments:
Peach blossoms, Spring 2010:
Clouds at sunset, April 9, 2010:
Mow the lawn!
August 2010. I hacked a Canon A480 ($100 point and shoot digital camera) using CHDK so that it has a built-in intervalometer. I set it to take pictures every five seconds, then used Virtual Dub and Riva to make this time-lapse movie: