Free images results:

Oak pictures, stock photos and images


Sun 3 Royalty Free Stock Photography
Author: Camuka510
Acorns Stock Images
Author: Vladberla
Acorns Stock Photography
Author: Vladberla
Old Frame Stock Image
Author: Mlan61
Wood Royalty Free Stock Images
Author: Oreundici
Wood Stock Image
Author: Tsmolek
Wine cellar Royalty Free Stock Photo
Author: Temis

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

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