Grilled Merguez with Ratatouille

Name: Grilled Merguez with Ratatouille
Ingredients: 8 tablespoons olive oil; 1 large or 2 small red bell peppers, seeded and cut into 1/2-inch strips; 2 zucchini, cut into 1/2-inch slices; 1 large white onion, cut into 1/2-inch slices; 2 large ripe tomatoes, each cut into 8 wedges; 1 large eggplant, trimmed and cut into 1/2-inch slices; 2 large garlic cloves, finely chopped; 2 tablespoons finely chopped flat-leaf parsley; Salt and fresh ground black pepper; 8-12 merguez sausages*, enough to serve 4