Samson helped me to get the hangers on the backs of the letters for the wall.

He stole my screwdriver:


Then he supervised as I put the hangers on:

(I think Chloe was teaching him the finer points of inspection in this one.)

BTW, thanks to whoever suggested using something sticky to deter cats from furniture where they aren't supposed to be. We have tried that with the crib, and it has only taken one mistake per kitty. (The Chloe in the crib photo was made prior to the "booby trap.")