At zazzle.com in the left side index click on Animals, Pets: Animals: Pre-Historic: Jurassic: Brachiosaurus to find the print.

or try the link below:
http://www.zazzle.com/products/product/product.asp?general%5Fcategory%5Fid=103288959224668130&general%5Frecs%5Fper%5Fpage=48&caching=on&product%5Fid=228961884991872005&index=1