Free images results:

Bumpy pictures, stock photos and images


Moss Stock Photography
Author: Chrisharvey
Floating mat Stock Photography
Author: Cook

Also, here are some commercial RF-licensed images that match your search criteria:  
Bumpy glass Royalty Free Stock Photo
Author: Dexns

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