Can you save videos with temporary folder on IE, this is simple way out, alternatively, download flash video with web browser service. For example, if you use firefox as your web browser, downloadhelper can be plugined into your browser. Besides, make use of video capture software to download video and convert flv videos.
you can get acquainted with Rip Tiger - it's easy to use and it starts downloading everything you play online to the specified folder.
Personally for me it's a very comfortable function.
