Continuity mistake: When Woody is showing Sam what he bought at the drug store a mask appears on the bar, but Woody was not shown taking it out of the bag. (00:01:00)
One for the Road (1) - S11-E26
Continuity mistake: After Don leaves the bar, a few minutes later Frasier shouts at him, "Run, Don! Run like the wind!" and Rebecca is left sitting alone at the table crying, but when it cuts to the overhead shot of the bar we see Don is still sitting at the table, even though he left five minutes earlier. (00:07:05 - 00:08:15)
Answer: Here is the source of the "WE WIN" photo: http://www.oldnycphotos.com/nyny587ac.html Brooklyn, of all places.