-1 handful (about 8-10) frozen blueberries.
Being frozen lets the berries "bleed" in the juice, which is what produces some of the coloration. Their tempature also keeps your drink chilled.
-A bottle of Green Goodness. This is sold in most big chain stores, and is a fruit/vegetable mixture. I've never met anyone who doesn't dig this stuff.
1). Place your blueberries at the bottom of your glass