If you aren't already, ice the contusions for the first 48 hours. It will help keep the swelling from getting too bad.

Good luck in the recover, glad to hear you weren't hurt.
Now you have to think up ways to embellish the story such that when telling it to your friends at the local pub, the car you hit was the size of a cement truck and just barely escaped with your life after the driver who was the size of a sumo wrestler came after you.

Rich