Free images results:

Sponges pictures, stock photos and images

Matching images missing from results within the free images section for "sponges".. Please adjust your keywords and try again.

Alternative results:
Here are some commercial RF-licensed images that match your search criteria:  
Sponges Stock Photography
Author: Scrambled
Sponges Stock Photo
Author: Patf37
Sponges Royalty Free Stock Image
Author: Ledo