Stir together first 3 ingredients in a large container until sugar dissolves. Stir in 3 quarts water, orange juice concentrate, and lemon juice; chill 4 hours. Stir in ginger ale just before serving.
NOTE: To make an ice ring, reserve 4 cups punch before chilling. Arrange assorted fruit in bottom of a 6-cup ring mold. Pour punch into mold, and freeze 8 hours.