ZCubes seamlessly integrates browsing, searching, editing, painting, freehand drawing, cursive hand-writing, audio-video media management, publishing, and much more into a pure Browser Based Platform.
Flickr is a website for storing and displaying digital imagery though it is mostly geared to photography. You can create sets of your own imagery or collect other photographer's photos in galleries. Has many other uses as well. Too numerous to list here.
This is a direct link to information on Apple's iMovie. This is a great tool for Mac lovers and can easily help create photo slide shows and digital story boards.