Free images results:

Pig pictures, stock photos and images


Pig Royalty Free Stock Photo
Author: Tiberius
Pig Rock Royalty Free Stock Photos
Author: Jp07083
Hog (pig) Stock Photo
Author: Eminavn
Sad pig Stock Photo
Author: Antonela
Nose Royalty Free Stock Images
Author: Eminavn
Peace Stock Images
Author: Eminavn
Wild boar Royalty Free Stock Photo
Author: Odm

Also, here are some commercial RF-licensed images that match your search criteria:  
Guinea pig Stock Photos
Author: Djem82

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