Free images results:
 

Shell Blue pictures, stock photos and images

 
1


 
Shells Stock Photography
Author: Mika5
Snail  Royalty Free Stock Images
Author: Pryzmat
Ladybird 1 Royalty Free Stock Image
Author: Lleha
Snail  Stock Photos
Author: Pryzmat
 
1


 
Also, here are some commercial RF-licensed images that match your search criteria: