Lately I've been using this as my Lenovo laptop's wallpaper:
This is a White Shepherd, which is a genetic variant of the more familiar German Shepherd dog. I first heard about the White Shepherd on another site, and along with the Siberian Husky, the White Shepherd is one of the most gorgeous dog breeds I've ever seen or read about.
(Yes, I do use Google Chrome alongside Mozilla Firefox... there are a few things on my computer that I can do with Chrome that I can't with Firefox.)