If you're tired of looking at that stale Mac OS desktop, think about adding Magic Window to your visual bag of tricks.
Magic Window, available through the Mac App Store for US$2.99 (on sale) comes with 14 striking landscapes that change over time, so you see the skies change and the sun might rise or set. You get to control the speed, and you also can make the images black and white or sepia. Each loop contains about a thousand images.
The high-resolution scenes support my 30-inch monitor without looking blocky. Once you have the app, you have an option to download more scenes at no additional cost. There are a total of 40 scenes you can choose from. They are grouped by themes such as mountains, beache