Random Airplanes/UFOs/Shooting Stars in the sky?

[MattTehZombie]

So I've had this idea for a little bit, but am no way good at scripting or modding any of the sort. Unless you want a somewhat custom NPC in Doc Mitchells house, ha ha. I would love to see planes flying across the sky, along with UFOs and shooting stars. I would think it is possible because I had thought of how it could be possible.

Example being, you already see a plane flying across the sky in the ending of the game. All you would have to do is shrink it to give it a better believeable look. And there are already UFOs in the game in good condition. So replacing the plane with a UFO would be pretty nicely done, too. Of course, the shooting star would probably be more difficult, but maybe possible? :)

TL;DR read the title, I think it's possible.