Someone on CF-Talk posted a really cool little executable that can make thumbnails of a web site page if given a URL. I set up a little demo of it so people can see how it works. The demo uses ColdFusion and CFExecute to create the thumbnail. You can see it in action and download the ColdFusion code.
Check it out: http://www.bennadel.com/resources/demo/3/
The executable, WebShot, was created by http://www.websitescreenshots.com/
It's not perfect, but it's pretty darn cool.