How to set your iPhone wallpaper from Safari

Open Safari and locate an image on the web.
Tap and hold your finger on the screen where the image
is being displayed. A menu will appear, tap save image. Press the home button on you iPhone to return to the home screen. Tap photos and select camera roll. Locate the new image(s) and select one, choose use as wallpaper. Another dialog will appear asking you to move and scale.
Once you have the correct position and size click done. You will now see your wallpaper when your lock screen appears.