Pretty in Pink Watermelon Gazpacho

Name: Pretty in Pink Watermelon Gazpacho
Ingredients: About 5-6 cups of seedless watermelon, about one cup of which is cut into 1/2 inch dice, the rest in chunks; 1 seedless cucumber, half in chunks, half in 1/2-inch dice; 1 small head Boston lettuce, trimmed; 2 stalks celery, de-stringed, cut into 1/2-inch dice; 1 yellow or red or orange pepper, or a mixture, cut in 1/2 inch dice; 1/2 red onion, cut in 1/2 inch dice; Juice of one lime; 6-7 mint leaves, torn; Mint sprigs or Greek yogurt, for garnish