Free images results:

Unhappy pictures, stock photos and images


Mr Grumpy Royalty Free Stock Image
Author: Prawny
Lining up Stock Photos
Author: Jmw5111
Mr Angry Stock Photo
Author: Prawny
Woman Stock Image
Author: Abdone
My doll Royalty Free Stock Images
Author: Clarita

Also, here are some commercial RF-licensed images that match your search criteria:  
Unhappy Stock Image
Author: Gradts