I was mooved by your responses regarding possible captions for yesterday's picture!
Steer in the wrong direction
Time for tea?
Guess who's coming home for dinner?
Ding dong, milk cow calling
Hey did the milk man leave any bottles?
Why we need a "No bovine solicitations allowed" sign
Daddy, there's a California Cow at the door, and he's definitely not happy!
And my personal favorite, based on subtlety:
"How to tell when a long day is finally over...."