I usually use some of the old OS X wallpapers. My favorite one is probably the one that came with 10.4 Tiger. All MacOS/OS X wallpapers are available in 5K and 6K resolutions here: https://512pixels.net/projects/default-mac-wallpapers-in-5k/. - Source: Hacker News / 10 months ago

It’s from Mac OS Mojave, if interested here’s a website with every macOS wallpaper in 5k res: https://512pixels.net/projects/default-mac-wallpapers-in-5k/. Source: 12 months ago

More Power Users: Ad-free episodes with regular bonus segmentsSubmit FeedbackChance Miller, Author at 9to5Mac9to5MacChance's DeskChance's iPhone Home screensChance's iPad Home screensApple says it is removing apps & in-app purchases from its iTunes Affiliate Program - 9to5Mac9to5Mac Podcast NetworkSlackObsidianGrammarlyTodoistUniversal Control - Apple SupportReality Pro - 9to5MacThe Everything Headset – 512... Source: about 1 year ago

MacOS Monterey wallpaper in dark mode. I recommend all the MacOS wallpapers, they make all iPads feel way above their price bracket. (Download). Source: about 1 year ago

Here's the link! https://512pixels.net/projects/default-mac-wallpapers-in-5k/. Source: about 1 year ago

There's royalty free videos - https://coverr.co/. Source: over 1 year ago

You can use this. It's coverr and I found it while spending too much time on YT. Source: almost 2 years ago

I found this for stock footage I've found free stock here but some of them have watermark. I'm sure you'll figure what to do on your own. Source: almost 2 years ago

A good source for free video backgrounds - https://coverr.co/. Source: over 2 years ago

There is https://coverr.co/ for great looking videos as well! Source: about 3 years ago