Glogster allows your students to create free, protected digital posters.
This tool blows my mind! I know, I know, I always say that, but I've looked for a Web 2.0 desktop publishing tool since I knew what Web 2.0 was, and this one ROCKS. It's extremely easy to use, and also very versatile.
Check out this sample (a Glog embedded in a Wiki). Click the play button in the top right. Hover over the Gloster.com link in the top right and View Full Size. WOW!
Thanks Kelly McNamee, The Woodlands High School for this find.
Check out a real Glog below . . . . Right click here to get the full effect and see the video play.