Windows: Right click on the image & select "Set As Wallpaper"
OSX: Open System Preferences, click on the Desktop pane, drag-and-drop your image on the box
OS9: Open Appearance in Control Panels, select Desktop and drag and drop your image on the box

These are printable copies of stickers that we are in the process of printing, but if you would like to grab a copy so you can print them at home, save the image to disk or you can print right from the document. To view this file format you will need Adobe® Acrobat® Reader® this is a free download.