Each picture comes in different sizes, to see your computer screen resolution, go in: Control Panel, Display, Settings, there is your size/ screen resolution (the pictures open in a new window, view it (maybe open the smaller size first to see if you like it) then choose to save it, then close window).

Instructions for Windows
Right click on a desktop image size on the right to download. (save it). Select Start Menu: Settings: Control Panel. Open the display control panel. Select the background tab. Press the browse button. Locate the file you just downloaded and select it. Press the apply button. Press the ok button.

Instructions for Macintosh
Hold the option key and click on a desktop image size on the right to download. Go to your Apple Menu: Control Panels: Appearance. Select the desktop tab in the Appearance Control Panel. Select place picture. Select the file you want to use. Press the set desktop button.

Some of these pics have a fare amount of space (sea etc.) around them, as its likely you have plenty of icons and junk on your desktop, that's if you have a crowded screen like me. Ps. it slows down your system with to many icons on your desktop, move them in a folder :-)

Click here. Turn 360° Degrees at the speed you wish to view at.