1. Slice peppers and onion. Place all vegetables on greased cookie sheet. Sprinkle with oil, salt, and pepper. toss to mix. Broil for 15 minutes.
2. Place fish over vegetables and drizzle both with reserved marinade.
3. Thread three or four pieces of fish on skewer. repeat for all servings.
4. Serve vegetables in center of dinner plates, then place skewers on side of each plate, partially resting on the vegetables. drizzle with sauce.