I use Flash To Video Encoder Pro!!!
it allows you convert any Adobe (Macromedia) Flash (swf, flv files) to video movie AVI, mp4, ASF/WMV, mpeg files and another...... =))) 
Flash2Video is an easy-to-use flash to video conversion tool, which supports the conversion of Macromedia Flash SWF files into AVI (uncompressed/compressed using any available codec including DivX and Xvid), and VCD, SVCD, and DVD compatible MPEG files.
This program also supports personalized dimensions for exported videos. Since no manual operation in the conversion process, Flash2Video may have the fastest conversion speed in the world. Well, you will also get the movie formats you want with fine image and sound quality. Quite popular! Why not have a try?Z