Celebrating the release of a Sims 2 expansion or stuff pack is often done with a mini-game released by EA through its EA Viral domain. Naturally one for Pets has also been made, in which you can create a pet by picking several characteristics like fur colour, breed zodiac and more. A big picture of your creation is the result. You can also get some wallpapers and avatars for your IM program. See the mini-game page to play it.