You can choose the position of the image on the slide.
To change the image position on the slide, select the image with the left mouse button and use one of the methods:
•Click the / button on the Toolbar or click to the right of the button and select the desired option from the drop-down list.
•On the menu, select and select the desired option from the drop-down list.
•Right-click the image and select the desired option from the context menu.
•Press Ctrl+Shift+] ( + +]) to move the object to the foreground, Ctrl+] ( Cmd+]) to move the object forward, ++ ( + +) to move the object to the background, + ( +) to move the object backward.