Directions on setting up your new desktop wallpaper:
Windows:
Click on the thumbnail wallpaper image until the larger version appears. Now hover your mouse over the image. Then click with right mouse button. When the mini menu appears - select and click "Set As Wallpaper", or "Set As Background". The wallpaper will show up as the new desktop. If it doesn't, refresh your desktop screen.
Mac:
Click on the thumbnail wallpaper image until the larger version appears. Now hover your mouse over the image. Hold down the mouse button until the mini menu appears.
Chose "Save Image As". Save the image to your hard drive. Open Control Panel, "Desktop Pictures".
Click remove picture and then select picture. Load new wallpaper from where you saved the image on your hard drive.
Now choose "Position Automatically" for wallpaper. That's it, enjoy!