CHANGING YOUR DESKTOP WALLPAPER:
windows: Click on the image you want set as your wallpaper in the appropriate resolution for your screen. Allow the photo to load. Right-click on the photo. Select "Set As Wallpaper" or "Set As Desktop Background." Viola.
mac: Click on the image you want to set as your wallpaper in the appropriate resolution for your screen. Move the cursor over the image. Hold down the mouse button over the image while you drag the image to your desktop. Open "System Preferences" and select "Desktop." Drag the image into desktop pictures window. Select the image as your desktop. Viola.
CHANGING YOUR CELLPHONE SCREENSAVER:
iphone: Access this page from your cell phone. Place your finger on the image you would like to select until prompted to "save image." Once image is saved, go to "photos" then select the image. Click the export choice in the bottom left-hand corner of your screen. Then select "use as wallpaper" from the selections. Viola!
SELECTING THE BEST RESOLUTION:
windows: Click your right mouse button in a non-active space anywhere on your desktop. The "Display Properties" dialog box will appear. Select the "Settings." The slider in the Desktop Area will say 1280x 1024 or 1024x768 or 800x600. Now you know which resolution to select.
mac: Exit all applications and select "Control Panels/Monitors & Sound" from the Apple menu. The "Monitors & Sound" window will appear. Select "Monitors." Color Depth and Resolution options will appear with options of 1280x 1024 or 1024x768 or 800x600. Now you know which resolution to select!