the smooshed blueberries went into the secondary. when i pour a glass, i have new blueberries i put in just for fun. they float up and down and are tasty after the beer is gone. i used the campden tablets to kill the yeast so the blueberries didn't ferment. the flavor is there, its faint and not overpowering. i used frozen blueberries cause the price of 5 lbs would have been too expensive. im sure fresh berries would have been better.
beninan since your from maine, you may have been to boston beer works, that is where i got the idea cause im from boston. they say they use fresh maine blueberries and if i lived out there i would go pick 5lbs. when i was a kid i used to pick the small wild ones.