Slice ciabatta loaf horizontally. Open loaf, place flat-side up. Brush with olive oil; sprinkle with garlic. Sprinkle with oregano and salt and pepper. Toast under grill 2 - 3 minutes, or until surface turns golden brown and crunchy. Spread each half with equal amounts of pizza sauce. Top with mozzarella. Sprinkle with Romano cheese. Evenly distribute sausage crumbles, then top with alternating colors of bell peppers. Toast under grill about 4 - 6 minutes, or until cheese has melted. Serve immediately.