Free images results:

Mature pictures, stock photos and images


Fruits Stock Photo
Author: Skdesign
Blue eyes Royalty Free Stock Photography
Author: Barsik
Two worlds Royalty Free Stock Image
Author: Smitea
Swan Stock Photos
Author: Catcha

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

Explore more commercial options: More Mature Stock Illustrations & Vectors | More Mature Stock Video Footage