countrycousin and scirocco take the trifecta with "[not the] sharpest brick [in the] teapot" with 28 points in total; their prize is an all-expenses paid trip to wherever they currently are.
At the level of phrases, we had a tie for three points between "not the sanest brick in the teapot" (en_ki, merle_, nightspore) and "not the sharpest tool in the shed" (idonotlikepeas, mrw42, wolfy). Consequently, there will be a runoff:
Pick a number. The winner is the person who guesses the closest to 2/3 of the average of the other guesses.
(The poll is private to prevent cheating, but results will be revealed after the poll is closed.)