Here is a cool blogger widget that enables you to download any Youtube video by typing link of that particular video.

TechnoJuice has provided 2 different styles that can easily modified according to your sidebar’s width.To insert this just copy-paste following code:

<script src=”http://downloadutube.googlepages.com/ytdwid.js” type=”text/javascript”></script>

P.S.: Make sure to rename the downloaded file with .flv extension.