From StarWars.com:
"...StarWarsShop is pleased to offer a selection of one-of-a-kind layout drawings from the recently-aired "Family Guy: Blue Harvest" special!
...

These unique layout drawings, which depict several key characters from the special, measure 11"x13" and include a numbered 20th Century Fox gold foil seal. Also included is a Fox-issued certificate of authenticity."
You can find out more at the above link.