See below

Puree 5 cup frozen unsweetened sliced peaches in blender. Pour into
large pitcher or bowl. Stir in two 6 oz cans frozen orange juice
concentrate, 4 juice cans of water and 2/3 cup sugar. Stir until
sugar is dissolved. Stir in 2 1/2 cups ginger ale. Immediately pour
into tall glasses and garnish with orange slices and mint sprigs.