It's possible. It can be done and it would be cool. That would be a new way to get a new missions or like order something from an internet and after a while it will apear in front or your (main) house.
When I turn on Fraps and SA. I start makeing stunt and press Num 0 (my HotKey) make stunt and press the same baton again. I can't find the video. It need to be in "C:/Fraps/Video"