The content of FLASH in the w3schools is not enough for the developed knowledge.
so please develop this tutorial as early as possible.
---(rontdu)

The best tutorials for Flash are available inside Flash itself, hit F1 in the Flash application and go through the tutorials there.

However, there is something that does need an update in the FLASH tutorial in my opinion.

W3Schools is all about validness in code, I suggest to update the tutorial to conform the Xhtml standard.
The whole embedding of a flash thing in an Xhtml valid cross-browser page is not quite that easy, so I have done a little research and found something really good:

http://alistapart.com/articles/flashsatay

This webpage goes through some steps to show you how to get this thing Xhtml valid and still working cross-browser.

It comes down to this:


I hope this helps for making the tutorial show a Xhtml valid way of implementing FLASH.