When you want to learn something new, you should always find some tutorials firstly. Recently, flash technology is very popular. Because lots of things can be easily done with flash technology. Flash games, and small applications in facebook attracted lots of people.

If you are a flash beginner, you can find flash tutorials in the following sites:

http://www.kirupa.com
http://www.actionscript.org/resourc…ries/Tutorials/
http://www.gotoandlearn.com
http://www.flashkit.com
http://www.senocular.com
http://www.echoecho.com/flash.htm
http://www.tutorialized.com/tutorials/Flash/1
http://www.video-animation.com/flash8_001.shtml
http://tutorialoutpost.com/tutorials/flash/
http://www.flashjester.com/index.php
http://www.4nothing.net/as/as3reference/Date.html#day
http://www.actionscript.net
http://www.developingwebs.net/flash/
http://www.w3schools.com/flash/default.asp – W3C
http://www.good-tutorials.com/
http://www.video-animation.com/flash_01.shtml

http://www.flashdesignerzone.com/tutorials/

http://feeds.feedburner.com/LearnFlash

But if you want to be a flash expert, there is a long road to go.