Everyone knows that filtering results by small, medium, large, and extra large sizes, but if you’re looking for the perfect wallpaper, for example, the
imagesize operator is even better. Weblog Design Live uncovers the undocumented search operator (that’s also new to us) and demonstrates how to use it. Just use the
imagesize operator followed by the WidthXHeight in pixels, like so:
Here’s an example: [imagesize:640×480 muffin] finds 640px x 480px images related to muffins.
As the post points out, the imagesize operator is perfect for finding wallpapers that are the perfect fit for your screen.