Use your "My Pictures" folder as your screen saver for a continuous family slideshow
I love this idea but am also concerned about the occasional surprise. To avoid this we avoid flickr altogether. Instead I set my screensaver to run through our "my pictures" folder. The kids love seeing themselves and identifying family members.
My parents in-law do this, and we're all mesmerized by the photos as they float by. This is arguably almost as good as a digital photo frame (not that I'd give mine up).