A few nice animal rights images I found:
Pigs confined in metal and concrete pens
Image by Farm Sanctuary
Pigs raised on factory farms are confined in metal and concrete pens with hard slatted flooring. The live here until they reach slaughter weight of 250 pounds at six months old.
(Feel free to distribute freely for not-for-profit use, but please credit Farm Sanctuary. If you are media and are in need of a high-resolution version of this image, please contact us at media@farmsanctuary.org and request the file "pigs18_300_1".)
