The big banner on the roof is well placed and easy to read. It's probably an effective lure to catch the attention of passing traffic. Simple message and easily read at a glance.

The window graphics would probably be better at larger scale and eye level. An easy fix. Uniformity in hanging the window graphics would also improve the appearence of the restaurant. The small banner hanging from the eves should be relocated so as not to distract from the logo sign and the window graphics.