Flash Tutorials and other Resources....

Essential Tutorials and Support:

http://www.flashkit.com
http://www.macromedia.com/support/flash/
http://virtual-fx.net/vfx/tutorial.php
http://hotwired.lycos.com/webmonkey/multimedia/shockwave_flash/
http://www.moock.org/webdesign/flash/
http://www.echoecho.com/flash.htm
http://www.iboost.com/build/software/flash/
http://www.cbtcafe.com/flash/
http://www.were-here.com -- These guys were great, but their site crashed a while back and recently I only got a 505 timeout. -- but if they come back then a definite place to go.
http://www.flashcircle.com/
http://www.actionscripts.org/
http://www.flashgeek.com/
http://www.flashthief.com/

Examples and Samples (Downloadable):

http://www.macromedia.com/desdev/mx/flash/sample_files/
http://www.moock.org/webdesign/flash/

Extensions:

http://www.turtleshell.com/guide/
http://www.macromedia.com/exchange/ -- You need to sign up. But worth it.
http://www.flzone.net/index.asp?TypeId=3&CatId=257
http://www.microbion.co.uk/web/flashext.htm
http://www.flashthief.com/freeextensions/flash_extensions.htm

Others:

http://webforums.macromedia.com/flash/






Its a start

http://www.kirupa.com Has some nice special effects for flash.

I must say http://www.kirupa.com ROCKS the best one for MX : )

I will have to agree. http://www.kirupa.com/ is probably one of the best places to go for Flash learning. Advanced and Newbie.