Free images results:
 

Doggy pictures, stock photos and images

 
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Dog Royalty Free Stock Image
Dog
Author: Jolin
 
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Also, here are some commercial RF-licensed images that match your search criteria:  
Doggy News Royalty Free Stock Photo
Author: Tamas
Doggy News Royalty Free Stock Images
Author: Tamas
Toy doggy Stock Images
Author: Ingret
Doggy Stock Photos
Author: Kochergin