Free images results:
 

Gush pictures, stock photos and images

 
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Splash Royalty Free Stock Photo
Author: Jasmadix
 
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Also, here are some commercial RF-licensed images that match your search criteria:  
Fountain Stock Photography
Author: Konsem
Water Stock Image
Author: Maystra
Fountain Stock Image
Author: Tomster
Fountain Royalty Free Stock Images
Author: Konsem