Let me know your flavor of humor, and I can suggest a search query for it.
Background Image Aspect Ratio and Dimensions - Absorb Help Center
Here is the story of the quintessential 1680x1050 funny wallpaper:
The image was a perfect 1680x1050 pixels. It fit the monitor flawlessly, leaving no black bars, fitting the screen with absolute precision, and creating a perfect visual punchline. The Impact: The Reaction: Dave sets it as his wallpaper.
For example, an image that is 1920 pixels wide and 1080 pixels high has an aspect ratio of `16:9`. Absorb Help Center Why is My Wallpaper Blurry? Simple Fixes - Zedge