1 (4.5 ounce) package frozen mixed berries, thawed
1/2 cup orange juice
1 (6 ounce) can frozen lemonade concentrate, thawed
3 cups milk
3 liters lemon-lime flavored carbonated beverage
In a mixing bowl, combine the mixed berries, orange juice, lemonade concentrate and lemon-lime soda. Mix thoroughly and chill at least one hour.