"Youtube ToolTip" is a simple plugin, which changes all your links of "youtube" on a fast preview for the convenience of your readers.
Modifying all the links and using "jQuery" shows an attractive & modern blog.
Also use "qTip", qTip is a tooltip plugin for the jQuery framework. It's cross-browser, customizable and packed full of features! qTip is licensed under the open source MIT license, which allows you to use the script for whatever you want, whenever you want, however you want, as long as you include a copy of the license!
For more information about this plugin visit http://javiergalicia.wordpress.com/2009/07/03/youtube-tooltip-to-wordpress
These details are provided for information only. No information here is legal advice and should not be used as such.