Sample image
Wallpapers set with one kanji per image (.png) sorted by JLPT level (N5 to N3 = 744 kanji so far).
The idea behind this wallpaper set is to set your wallpaper to change every day (or whatever time duration you want) to a new Kanji.
Translations and examples are graciously borrowed from http://www.jlptstudy.net. You can report eventual errors on the forum: http://www.jlptstudy.net/forum/
Download the set using the "Download ZIP" button on the right. Unzip somewhere on your computer and follow one of the guide below.
http://windows.microsoft.com/en-us/windows7/create-a-desktop-background-slide-show
http://www.guidingtech.com/11633/os-x-lion-customize-desktop-background-wallpaper-slideshow/
http://www.howtogeek.com/howto/25549/how-to-create-a-wallpaper-slideshow-in-ubuntu/
