Use an image that came with the iPad or use one of your own photos.
1. Settings > Brightness & Wallpaper > Lock and Home screens. Tap Wallpaper or Saved Photos.
2. Choose Image or Photo. Photos can be resized by pinching until you get it the size you want.
3. Select Set Lock Screen or Set Home Screen or Set Both.
Consider using a different image/photo for the Lock Screen and Home Screen. This will help you determine quickly whether or not your iPad is locked.
