Webuzo has added the YOURLS application to the Amazon Marketplace. YOURLS is a small set of PHP scripts that will allow you to run your own URL shortening service (a la TinyURL). You can make it private or public, you can pick custom keyword URLs, it comes with its own API. You will love it.

Ready to Launch the YOURLS Instance in the Cloud ? ?
Review, Rate and View Demo of YOURLS here:
http://www.webuzo.com/apps/others/YOURLS