1. Combine beans, bell pepper and onion in large bowl.
2. Whisk together vinegar, parsley, oil, garlic, oregano and black pepper in small bowl.
3. Pour over bean mixture; toss to coat.
4. Cover; refrigerate 2 hours or overnight.
5. Arrange bread slices in single layer on large nonstick baking sheet or broiler pan.
6. Broil, 6 to 8 inches from heat, 30 to 45 seconds or until bread slices are lightly toasted.
7. Remove; cool completely.
8. Top each toasted bread slice with about 3 T. bean mixture.