In A Large Nonstick Skillet, Cook Green Pepper, Onion, Salad Dressing And Italian Seasoning For 5 Minutes Or Until Vegetables Are Tender. Stir In The Tomatoes; Add Fillets. Bring To A Boil. Reduce Heat; Cover And Simmer For 10 Minutes Or Until Fish Flakes Easily With A Fork. Serve With A Slotted Spoon.