Vuvox is great for creating slideshows, presentations and collages with photos. The slideshows are in a Flash format and easy and simple to use. But best of all its free. The Slideshow above I knocked up in about 10 minutes. To learn more about VUVOX visit: http://www.vuvox.com/collage
To see an excellent example of vuvox's application in the communiy visit: http://www.mercurynewsphoto.com/blog/2007/11/16/where-we-live-5/