While you are not using your iPad or the iPad is on the dock for charging, you can display you favorite photos slide show on it and use iPad as picture frame.
Start / stop picture frame mode in iPad
- Press the Sleep/Wake button at the top on iPad to lock it.
- Tap the icon to start displaying photos
- to stop picture frame mode on iPad, tap on the screen and tap the icon again to return to the lock screen.
iPad picture frame settings
Tap on Settings >> Picture Frame to change picture frame settings. You can set the picture Transition type, Zoom in on Faces option, Shuffle pictures option, select All Photos or Albums to display.
Disable picture frame
Go to settings >> Passcode Lock.