Free images results:
 

Emotions pictures, stock photos and images

 
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Mr Grumpy Royalty Free Stock Image
Author: Prawny
Toy Car Stock Photography
Author: Bandu
Love Royalty Free Stock Photos
Author: Seagrave
Mr Angry Stock Photo
Author: Prawny
Child Stock Image
Author: Pilarin
 
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Also, here are some commercial RF-licensed images that match your search criteria:  
Emotions Royalty Free Stock Image
Author: Babkindm