1. Heat 2 tablespoons of the oil in a heavy pot over medium heat. Add the onion; cook 5 minutes. Add the garlic; cook 2 minutes. Add the eggplant, zucchini and bell peppers; cook 5 minutes. Add the thyme, tomatoes, olives, red pepper flakes, salt and black pepper. Reduce heat to medium low; simmer 20 minutes.
2. In a large nonstick skillet, heat remaining oil. Add shrimp and cook 2 minutes on each side. Stir shrimp into ratatouille.
3. Spoon onto plates. Garnish with mint and almonds; serve.