GradBash 2009 at Universal Orlando
Instructions:

PC - Click on the size desktop wallpaper size you want. Right click on the image and click "Set as Background."

MAC (OS 9.X) - Click on the size desktop wallpaper size you want. Drag the image onto your desktop, then click the "Desktop" tab in the Appearance control panel. Drag the picture onto the sample screen, and click "Set Desktop."

MAC (OS 10.X) - Click on the size desktop wallpaper size you want. Drag the image onto your desktop, then open System Preferences and click "Desktop." Drag the image from your desktop to the "Current Desktop Picture" sample screen.

gradbash wallpaper

1024x768
800x600

gradbash wallpaper

1024x768
800x600

gradbash wallpaper

1024x768
800x600

gradbash wallpaper

1024x768
800x600
gradbash wallpaper

1024x768
800x600

gradbash wallpaper

1024x768
800x600
gradbash wallpaper

1024x768
800x600