Mix together Mazola Corn Oil, Garlic, Oregano, Lemon and Parsley in a small bowl.
Marinate the Salmon in this mixture for anywhere between 30 minutes-4 hours.
Slice Squash and Dice Red Bell Pepper.
Preheat Grill to medium high heat.
Tear out four square sheets of aluminum foil about 12 inches X 12 Inches. Brush Mazola Corn Oil on the foil.
Place 1 piece of Salmon on the foil, top with Squash, Bell Peppers and Tomatoes. Do this for all 4 pieces of Salmon. Then fold the packets up tightly.
Cook on the grill for 11-13 minutes. Be careful of the steam when opening the packets up.