SWMBO forced me to make a blueberry beer recently. I threw together the recipe below, and she loves it, and she's a big fan of Wild Blue.
Boil Size - 4g
6lbs Briess Pilsen DME
.5oz Warrior (14.5%AA) - 60min
.5oz Warrior (14.5%AA) - 40min
(no specialty grains since we are shooting for a strong blueberry flavor)
Racked to fermentor - filled to about 4.2 gal with sanitized water
OG around 1.059
Yeast - Safale US-05 (re hydrated)
Primary for 10 days
Racked to secondary on 4lbs of blueberries (crushed, and added around 2c of Vodka). Left in secondary for 7 days.
Racked to tertiary fermentor for 2 days (just to clear and remove blueberries)
Kegged - Added .75 gal of Blueberry juice (trader joe's). Force carbed @ 25psi for 2 days, then dialed back to around 8psi.
At first, the flavor was a little sharp, and my wife didn't care for it. After about 3 weeks in the keg, she loves it. There's no mistaking it - it's a blueberry beer in appearance and flavor. All the my neighbors like it as well. I've never added juice straight to the keg, but it worked well. I'm planning a shandy next, and I'll be adding lemonade in the same way.