Sorry that this happened to you, I know how I'd feel if I was in your shoes.
Pics? You might want to try to at least put a little paint down in there to keep it from rusting.
You may want to check out this video:
https://www.youtube.com/watch?time_cont ... 2aC_oseMe4
Larry mentions 3 possible options for making this scratch appear better (not 100% but definitely better than 50%)
Hey, and if you're gonna get it repainted, well this is a perfect opportunity to try some "repair" techniques and see how they look