I got this recipe from allrecipes.com and loved it! It's tangy and slushy...perfect for parties.
1 1/2 small packages fruit flavored gelatin mix
1-2 cups white sugar
6 1/2 cups boiling water
1 (46 fl. oz.) can pineapple juice
8 oz. bottle lemon juice concentrate
1 (2 liter) bottle ginger ale, chilled
In a large bowl, combine gelatin and sugar. Stir in boiling water until mixture is dissolved. Stir in pineapple juice and lemon juice concentrate. Divide into 2 containers and freeze until solid. To serve, place gelatin mixture in punchbowl, and chop into pieces. Pour in ginger ale. Serves 20.