Where can i find some study resources about Workers?

Thibault Imbert has packed some demos. You can get them using one of these links:

http://labsdownload.adobe.com/pub/labs/flashplatformruntimes/flashplayer11-4/flashplayer11 -4_p1_ex_concurrency.zip

https://dl.dropbox.com/u/7009356/ConcurrencyExamples.zip (mirror)

For more information read these blog posts:

http://www.bytearray.org/?p=4516 Introducing Flash Player 11.4/AIR 3.4 beta!

http://www.bytearray.org/?p=4423 A sneak peek: Concurrency with ActionScript Workers