To use the same image more than once, for example at the beginning and end of the presentation, or to show the whole image and then a detailed part of the image:
Select the image to repeat by clicking on the thumbnail in the Presentation Editor.

Figure 1: Select an Image to Copy
Click the Copy button from the bottom of the Presentation Editor.

Figure 2: Press the Copy Button to Duplicate Image

Figure 3: Duplicated Image Appears
The duplicated image appears immediately after the original in the Presentation Editor.