How to photograph a one year old

One year olds are challenging.  VERY challenging.  They're fascinated by everything, and they are fast!  They are constantly on the move.  And when you hold them still, you get cranky faces.  I don't want cranky faces.  Dangle them from their ankles, however, and you get this:

I totally love this picture!  I've been photographing this boy since before he was born, and every time we get something really fun, but this shot is my absolute favorite of him.

Another trick is to give them something to play with... like, oh, say, a cake (and yes, that's a different baby).   :)