Important note: this is the older V1. If you want the newer, better edition use V2, but note that it requires 2sxc 8.2.2.
Use it as is, or create your own templates/output.
You can also use this to discover how to create drag-and-drop uploads in your Apps.
What is also neat is the ability to actually just show images, and later on extend them with additional meta-data. A must-discover for new app-developers.
Discover it in this 100-Second-Video