Flash2Video Command Line is a powerful console application that you can use the tool at web server or your own redistribution. It can be executed by any scripts such as WSH or BAT, you can call it from web server scripts such as ASP, ASP.NET, PHP, Perl or Python.
This command line tool supports to convert Macromedia Flash SWF / FLV / F4V files to AVI(with alpha channel to retain the original transparency), WMV / ASF, MP4, FLV files or VCD / DVD compatible MPEG files including movie clips, action scripts(AS1, AS2 and AS3) and audio in the Flash movies. It also support convert SWF to transparent GIF animation, so that you can create animated GIF using Flash CS, Flex, Flash Builder and SWish.