Captains will wear their Breitlings on their right wrist and refer to it during the welcome PA. Maybe a Jaguar baseball cap for the Captain and a Porsche cap for the FO?
Why would a video prevent suicide? All it would accomplish is to show that the guy did indeed commit suicide after turning to the camera and perhaps explaining the whys and wherefores, much like the videos on Al Jazzerah after the bombers vaporise themselves.
Pointless and expensive.
I would much prefer a fish eye lens behind the nose leg showing me some useful information.