You can add up to 100 pictures to prize wheel, transparent PNG pictures are recommended.
If "Rotating" is checked, the picture will rotate with the prize wheel.
If "Rotating" is unchecked, the picture will not rotate with the prize wheel, and will be painted on top.
With toolbar button 
(Move) you can move the picture to a proper position, with toolbar button 
(Rotate) you can rotate the picture to a proper angle, with toolbar button 
(Resize) you can resize the picture to proper size.