I've learned a lot from other greyhound owners - how to care for the kids, best foods, safe treats, training, and fun things to do. Greyhound bloggers have been especially helpful. You can see the blogs I follow on the right-hand side of this page. GreytBlackDog mentioned BeFunky recently and I tried it out. Of course, BeFunky isn't exclusive to dogs, but the brindle kids are such hams that they won't mind if I practice a little electronic "artistry" on their likenesses.
It wasn't hard to manipulate the photos and add the various effects.
When Sawyer saw what I was doing with BeFunky, she showed me how to use Photobucket for the same purpose. These are two of my favorites: