====== 배경 화면 / wallpaper / 바탕화면 ======
  * http://wallpaperswide.com/
  * https://www.wallpaperflare.com
  * https://wallpaperaccess.com
  * [[https://oswallpapers.com/|OS Wallpapers – Operating system & distro wallpapers]]
  * https://pixelz.cc/ : 4k / 8k 바탕화면

===== Unsplash =====
  * https://unsplash.com
  * [[https://github.com/soroushchehresa/unsplash-wallpapers|unsplash-wallpapers 자동 변경기]]

===== Linux =====
  * [[http://www.webupd8.org/2013/08/download-ubuntu-1310-saucy-salamander.html|Ubuntu 13.10 Wallperpers]]
  * http://wallpaperswide.com/linux-desktop-wallpapers.html
  * [[https://wallpaper-house.com/group/ubuntu-desktop-wallpapers/index.php|Ubuntu Desktop Wallpapers]]
  * [[https://wall.alphacoders.com/by_sub_category.php?id=43713&name=Ubuntu+Wallpapers|86 Ubuntu HD Wallpapers | Background Images - Wallpaper Abyss]]
  * [[https://github.com/saint-13/Linux_Dynamic_Wallpapers/tree/main/Dynamic_Wallpapers|Linux_Dynamic_Wallpapers/Dynamic_Wallpapers at main · saint-13/Linux_Dynamic_Wallpapers · GitHub]]
  * [[https://flathub.org/apps/details/com.github.maoschanz.DynamicWallpaperEditor|Dynamic Wallpaper Editor—Linux Apps on Flathub]]
  * [[https://github.com/adi1090x/dynamic-wallpaper|GitHub - adi1090x/dynamic-wallpaper: A simple bash script to set wallpapers according to current time, using cron job scheduler.]]
  * [[https://www.funkyspacemonkey.com/dynamic-wallpapers-on-linux|Dynamic Wallpapers on Linux]]
  * https://wallpaperaccess.com/ubuntu