A great article at The Tech Labs, by Ben Pritchard from PixelFumes, that will step you through the classes used to achieve a card flipping effect using the new rotationY property that exists in Flash Player 10.
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3D effects that took a lot of coding before will become very easy in Player 10 because of its native 3D support. In this tutorial, we show a few basic 3D methods that are new in Player 10. We show how to easily rotate bitmaps in 3D and how to flip a playing card in [...]

A tutorial on how to build Flex applications for Astro flash player. This will be a step by step tutorial which is intended to help you install the last Flex SDK from daily builds.
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If you are interested in learning about the Drawing API with the goal of creating something using it, this is the right read for you.
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In this video tutorial, learn how to read and write local files using the new methods of the FileReference class.
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Another new tutorial by Lee Brimelow, where you can learn how to dynamically create sounds using the new features in Astro.
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In this new Tutorial by Lee Brimelow, learn how to take ordinary display objects into the third dimension in Astro.
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Lee Brimelow as just posted a new tutorial teaching you how to get started with creating content for Flash Player 10.
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