Replay A/V has a built-in URL Finder (although it works on broadband connections only).

To record flash .FLV video file with Replay A/V:
1. Click the URL Finder button.
2. Play the video you want to capture. Once you start playing the video, the URL finder will show the URL of the Flash video.
3. Click Add Selection as New Show. The video's URL is placed into a new item for Replay A/V
4. Change "New Show" to whatever you want the clip to be called.
5. Click Record Now, then OK. This starts the .FLV file capture.