New Tab by Flickr - Get a beautiful photo each time you open a new tab
Wallcat - Enjoy a new, beautiful wallpaper, every day.
Exposure New Tab - Get a beautiful photo from Exposure in every new tab
Splashify - Beautiful desktop wallpapers for Mac and Windows
Less Boring New Tab - Your browser deserves a better new tab page
Irvue - (previously Unsplash Wallpaper) Gorgeous wallpapers on your Mac.