I have created a simple application to manage video and images. It allows you to manage all of your media files in one central location and easily embed them in your web pages, regardless of where those pages are hosted.
Currently it supports image resizing and a few filters, FLV embedding, and photo gallery embedding.
Check it out at http://xataface.com/wiki/Internet_Media_Manager.
It is built on Xataface so it may also be a good sample if you're getting into Xataface development.[/url]