Great going Beth!
Your booth looked great.
Don't worry about having had the 'littles' in there, now you know better.
Hope you handed a lot of cards and info out. It looks like this was a good show to get yourself out there.
Live demos are the real attention getter. You'll have more fun and time will pass a whole lot quicker if you make room for the demos next time.
I did the same thing this weekend but with models and two live demos. The models and I had a blast. Sure you spend a little extra to have the models but it grabs the people and pulls them to you. Trapped in the 'Art Tractor Beam'.
Don't sweat it Beth, the commissions will come!