Roasted Red Pepper Sandwiches

Ingredients:
1/2 cup finely chopped seeded cucumber
1 (7-ounce) bottle roasted red bell peppers, drained and finely chopped
3/4 cup (6 ounces) 1/3-less-fat cream cheese, softened
1/3 cup (about 3 ounces) block-style fat-free cream cheese, softened
3 tablespoons minced red onion
1/4 teaspoon salt
1 garlic clove, minced
8 (1 1/2-ounce) slices whole-grain bread
8 romaine lettuce leaves