I positioned a Canon IXUS on my balcony for more that a year and it automatically took a picture every five minutes. Then I made a time lapse movie by selecting the twenty most complex photos of every day and rotating a lowres window through the hires photo. Watch nature change in the flow of the seasons!
Also watch my latest time-lapse at
http://www.youtube.com/watch?v=trrsT-rdH1g