Most chatroulette like web-sites use RTMP flash video streams. Such streaming videos can be captured with Jaksta. Just go to the RTMP settings and change from downloading to recording.

And you can always use screen video capture software like Replay Video Capture or freeware CamStudio to record live web camera chats with audio and text chat.

Try to use these programs and let us know if they don't work with RudeRoulette.com