Create Wordpress Plugin

I would like a WordPress plugin that allows to get a link back from copy & pasted text. There is free code on how to make this happen at wpmu .org - if you need the link I can send it to you. What I want this plugin to do is if someone copies my article or text or image or anything from my site it provides a link on their site when they paste it. Example: Read more: Name of this Awesome Page/Post [login to view URL] What I want to do. Set the plugin with my information: EXAMPLE: