Easy YouTube Video Download

Have you ever seen a cool video on YouTube that you wanted to download? A lot of people wanted to do this -So here is a simple and cool script that will do this for you. This script scans the YouTube page for all download formats, from iPod compatible MP4s to high definition 1080p and list them in the form of a link below the video.
So here is the link to get the script
Download it here 

To download, go to the video page and open the new Download menu (next to ""). A list of formats is displayed, sorted from best to worst quality. To save a format, simply click on it or right-click and choose "Save Link As...". If in doubt about what format to download, choose the one on the top of the list.
This script also works great on google chrome
To install, you must have the greasemonkey extension for firefox browser. If you don't have it, click the link below.
Download greasemonkey here