Free images results:

Flour pictures, stock photos and images


Wings Stock Photo
Author: Knips
Bread Royalty Free Stock Photos
Author: Babiychuk
Old windmil Stock Images
Author: Yurok
Spike Stock Images
Author: Motofoto
Red Rock Royalty Free Stock Photo
Author: Slidepix
Tower Stairs Stock Photo
Author: Pynu

Also, here are some commercial RF-licensed images that match your search criteria:  
Flour Royalty Free Stock Photography
Author: Llandrea

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