Create extensions for Photoshop and Illustrator with Flex or Flash Builder

The tool called Creative Suite Extension Builder, you can find here:
http://www.adobe.com/devnet/creativesuite/cs-extension-builder.html

Introducing CS Extension Builder 1.5
http://www.adobe.com/devnet/creativesuite/articles/intro-cs-extension-builder15.html

Build a Creative Suite extension in 5 minutes
http://www.youtube.com/watch?v=JQYw7SBY1ao


In-depth view of CS Extension Builder

Part 1: Create, debug and attach CS extensions
http://www.youtube.com/watch?v=TcCSCtm-eVM

Part 2: Bundle Manifest Editor, skin and export CS extensions
http://www.youtube.com/watch?v=EXSupUsyMMU

Adobe developer week: Migrating from Flex 3 to Flex 4.5

Understanding changes from Halo to Spark:

http://www.adobe.com/cfusion/event/index.cfm?event=set_registered&id=1839285&loc=en_us

Note: Adobe ID required to view the recorded event.