Evita,
I understand about some dogs just not liking the camera. We have a boy that stays with us when his family is on vacation. His name is Max, he's gorgeous and, since he's out of my boy Rowdy, we've known him since birth. But every time I get behind the camera, he gets very serious. Normally, he has great expression with ears up and mouth open (I like my Rotties to smile) but when I'm shooting him, he's a different dog. Here's a shot of him taken inside in a formal setting:



That's Max in the middle with his half-sister Cassidy and his half-brother Harry Potter.

And here's Max in an informal portrait taken outside.



Personally, I like the naturalness of his face in the outdoor shot. But, in both cases, his ears are forward and his expression is alert. That's the key regardless of where you shoot your dog.

Jim