This happened to one of mine once, too. Ever since, I've removed the lights from the car, and removed that trim, to do restorations.
Your best bet is to post a request for this trim (specify left or right) in the classifieds..
The nice thing is that they're pretty easy to remove and replace. Actually, let me know which one is damaged. (drivers? passenger?) If it happens to be the "opposite" one that was damaged on mine, we'll work something out. I probably still have it somewhere.