Given the distance (over 12 feet if the tap is on the back wall) and the dim lighting, help the customer identify your beers better. Your bartenders will thank you.
Bigger font (letter sizes) than you think you need.
Good contrast (e.g., black on white, brown on white) for lettering.
Simplify the artwork.
Thirsty/Lazy Monk is a fine brand, but if you're serving more than one beer style under that brand, then I'm more interested in the actual beer style so give that IPA or Dark Strong some emphasis.