Scenery covers that follow the time of day: aurora night, hot air balloons, firefly forest, star trails, a window seat, a pixel city, a rainy window, ocean waves and more. Copy the image link and paste it in Notion under Change cover → Link.
Choose one from the animated background library, click Create and sign in.
Set the title, date, colors and other options.
Copy the image link, then in Notion click Change cover → Link and paste it. The cover changes with the time by itself.