NATO Wallpapers 10 Years of NATO-Ukraine 1997-2007 resolution = 800 x 600 - size = 115Kb Windows users: Right click on the photograph and choose 'Set as background'. MAC users: 1. Ctrl-Click on the photograph > Download image to Disk 2. Go to the Apple Menu > Control Panels > Appearance 3. Select Desktop Tab > Place Picture > Choose your photograph and finish with Set Desktop