John Mayhew, Jen deHaan (Aug 16, 2011)
Migrate your motion tweening skills from previous versions of Flash to the current motion model in Flash Professional.
Dan Carr (Jan 18, 2011)
Get an overview of key concepts that will help you migrate your applications to ActionScript 3.
Valerio Virgillito (May 14, 2007)
Examine the differences between the ActionScript 2 and ActionScript 3 versions of this sample Flash application.