This chapter covered a lot of the Extensibility layer in Flash, including JSFL and the XML-to-UI API. With these technologies, you can extend the Flash authoring environment as far as you like to increase efficiency and speed in creating, managing, and organizing Flash content. The most important things to take away from this chapter are the fundamentals and the desire to experiment. Try taking what you have seen in this chapter and combining certain steps into your own panel, command, or tool.
You can also find some great extensions here: