Great little app that lets you grap the license and other details from a flickr image. Intended to be used when you link to an image and ensure you attribute it correctly.
"With ImageCodr.org, there is no need to do all this manually, you simply enter in the URL of the picture page (as seen in your browser) you are interested in and ImageCodr.org will generate the ready to use HTML code. It will also display a brief and easy license summary, so you don't get in legal trouble because you missed something."