Nice thing about this punch is you can change the color and flavor by changing the kind of kool-aid you use. You can make it alcoholic by adding some gin when you add the ginger ale.

Evergreen Punch

2 envelopes unsweetened Kool-Aid (for blue use berry blue)
2 cups sugar(or sweet and low equivalent)
2 quarts water
1 48oz can of unsweetened pineapple juice(or 12oz frozen can of pineapple juice reconstituted)
2 litre ginger ale, chilled

Mix the first four ingredients in an one gallon container and refridgerate till chilled. Add ginger ale when ready to serve.