dam bastards......i parked in a car park for no more than like 3mins and someone in there stupid 4 wheel drive opens there door onto my rear passenger door right on the creese as well and musta been a fare wack as well gone down to the metal

just wondering what people recomend i should do i cant afford at the moment to get the door resprayed and i just wana prevent the ding from rusting just wondering what people recomend i should do if i can get sompthing to put on it or sompthin any advice would be appreciated

grrr soooo angryy