In honor of “Howl-O-Ween,” the web site PetSource.org is hosting a photo contest showcasing the greatest pet Halloween costumes.Whether your pet is a cute pumpkin or a scary ghost inside their haunted doghouse, they want to see them in their best costumes! The winner, which is voted on by the public, will receive a slew of pet products as well as a $1,000 donation to the local Humane Society or animal shelter of their choice. Celebrate this spooky holiday with your pet while also supporting a great cause!
Submit your own entry
