If you need to create a time lapse video, you should check out the video below from Macworld.com, which details two methods for doing so. You can create a very basic time lapse moving using Gawker, a free program, or you can use Evocam ($30) and QuickTime Pro ($30) if you need or want more options.
Source: "Make a Time-Lapse Video" by Rob Griffiths, published at Macworld.com.
