Here is a freeware called Free Video to Flash Converter with which you can easily convert video files to flash format.It is a powerful, reliable and yet easy-to-use and simple application that will allow you to convert video files to SWF or FLV to publish video on your web site or blog.The video formats supported are AVI, MPEG, MP4, WMV, MOV, 3GP, DVR-MS these can be converted to *.swf or *.flv.