This collection includes many pictures of the Submarines ,and every one of these pictures can be saved as your iPads wallpaper.
manual mode is the default display mode,of course ,you can change to the slideshow mode.
the default photo transition is random mode,such as JumpZoomTransition,CrossFadeTransition,RadialCCWTransition,FadeTRTransition,FlipXTransition,TurnOffTilesTransition,SplitRowsTransition,FlipAngularTransition,ZoomFlipYTransition,PageTurnTransition,ShrinkGrowTransition,RotoZoomTransition,MoveInLTransition,SlideInLTransition,and the others.