Some good flash web site to be recommend

http://webtemplatebiz.com/show-template-1894.html
www.flash8.net
www.flash.qu123.com
www.6000y.com
www.51iter.com
www.xfbbs.com
www.ezflash.cn
www.flasharcade.com
www.flashkit.com
www.wikipedia.org/wiki/Macromedia_Flash
www.moock.org/webdesign/flash
www.sitepoint.com/blogs/category/flash

Using the Shared Library
A shared library allows multiple movies to use the same assets, which means that the user will only have to download them once no matter how many movies they are used in. This is useful with large bitmaps, sounds, fonts and components which can be very large, especially when used in multiple movies.