Sothink SWF Decompiler is an useful program to catch, decompile, extract Shockwave Flash movies and convert your SWF to FLA.
Using Sothink SWF Decompiler, which is compatible with Flash 8 and ActionScript 2.0 completely, you can find out almost everything in a Flash movie! Due to three aspects, Sothink SWF Decompiler is excellent decompiling tool. One is friendly interface; one is powerful functions; the last one is convenient operation.

For interface, Sothink SWF Decompiler has an Explorer Panel, which lets users browse hard disk or network to find Flash movies, and it also supports to scan your Internet Explorer's cache to pick out the Flash movies you have viewed; and build-in playback controls can play the movie or element in original size or size matching the window; you can get the expected FLA files by the exporting settings in export dialog.
For functions, Sothink SWF Decompiler can import, decompile and convert SWF to FLA in all versions including Flash 8, edit and configure the FLA in Flash as well; it can decompile, display and extract all Flash movie elements in groups and select the alternative format, such as Shape, Morph Shape, Image, Sound, Font, Text, Sprite, Button, Frame and Action; the information window can show the properties of the selected elements in Flash in detail.