Flashextensions had released few Video Tutorials for Flash which all very useful for Flash Begineer and intermediate. Try with the sample tutorials provided.
I was worked in a project which all have mathematical geometric complex calculation to be completed in a short timeframe. Many times I visited Richard Wright’s math AS 2.0 Library but never used before. So I tried using those classes and are really powerful.
PowerFlasher is developing an Eclipse Plugin for Flash for the next generation of Application Development. The product is under BETA Testing and releasing soon.