A friend of mine, named Jo, who lives in Singapore has a Silky.....here are a few pics of her dog, just everyday pics for your comparison to Yorkies. I thought this may help. Her dog is named Love (boy) and he looks similar to a yorkie but he really does have distinct differences in his features...
http://img.photobucket.com/albums/v1...lee/love20.jpg http://img.photobucket.com/albums/v1...lee/love11.jpg http://img.photobucket.com/albums/v1...lee/love24.jpg http://img.photobucket.com/albums/v1...lee/love22.jpg
And here's one after he got groomed:
http://img.photobucket.com/albums/v1...lee/love27.jpg