NATO Wallpapers Map of Afghanistan showing the Provincial Reconstruction Teams (ISAF PRTs) resolution = 1024 x 768 - size = 232Kb 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