Perhaps the most iconic option, featuring the classic multi-colored flag.
Let's install the red42 version (free and most authentic). 3d flying objects screensaver windows 10
If you want the concept of flying objects but modernized to a psychedelic level, Electric Sheep is incredible. It uses distributed computing to create animated, morphing fractal objects that fly through space. It is free, open-source, and breathtaking in 4K. Perhaps the most iconic option, featuring the classic