In a large punch bowl, combine 8 cups cold water, 1 can (12 ounces) frozen lemonade concentrate, thawed plus 3/4 cup thawed lemonade concentrate. Stir in 2 liters ginger ale, chilled and 1 liter cherry lemon-lime soda, chilled. Top with an ice ring if desired. Serve immediately. Yield: 5-1/2 quarts.