INSTRUCTIONS:
PC: Right click on image and 'set as wallpaper'

MAC OSX: Drag the image below off onto your desktop. Go to System Preferences. Go to the Desktop icon and open it.
Choose the Collection drop down and Choose Folder to find your new First Daughter Wallpaper on your computer.

MAC OS9: Drag the image below off onto your desktop. Go to your Control Panel and choose Appearance.
Click 'set desktop' and choose your newly downloaded image on your desktop