Plus Wallpaper Downloader от KelvinMarsh

Пробное

Easily download wallpapers from cn.bing.com. Click on IMAGE OF THE DAY or RECENT HOMEPAGE IMAGES, and the extension will redirect you to the full-resolution 1920x1080 image. Disable the extension if you want to browse the original pages normally

Вам понадобится Firefox, чтобы использовать это расширение