How to change your iPad wallpaper/background quick
To change your background follow the steps below:
1. From your Home Screen click on settings
2. Select Brightness & Wallpaper
3. Click on the right arrow to select a new wallpaper (note: you can select from the standard wallpapers from Apple or select an image from you Saved photos or Photo Libraries)
4. Select the image you wish to select then select "Set Lock Screen" for the screen you see when you power on your iPad or "Select Home Screen" for the screen you see when you are using your iPad and that your application icons will rest on. You can also select "Set Both" if you want the same image for all of your iPad backgrounds.