My friend has a Shih Tzu and he hated the normal harnesses. One day - while bored at work - I found this website with this harness. I think it's really cute and Joey's pup, Faegyn, LOVES it. He will fuss when you try to take it off.
What Does Your Dog's Harness T-Shirt Say? at UrbanPup.com
I hope this helps!