No, it cannot be working. Arsham wants to convert swf to flv, not swf to avi. One can use is SWF4Tube Converter - http://www.flash-video-mx.com/swf4tube-converter/ It is a professional tool to convert SWF to FLV. And many attached functions are available.
The absolute best converting / encoding program is the commercial 'Sorenson Squeeze: http://www.sorensonmedia.com/ I believe they have a demo available. This will do what you're asking.
You may try Sothink SWF Decompiler which has many great functions. The features in the official site are below: Export SWF to FLA/SWF to FLEX projects, and extract resources in batch mode. Export the video file in FLV format from Flash movie. Support exporting the resources to SWF or FLA format. So I recommend you this tool,you can see detail and gu ides: http://www.flash-video-soft.com/swf-decompiler/ I hope this may help you
the one way is you can import your SWF in Flash on time line and than export it in FLV or AVI or MPEG