Once the image has been added you may find that it is too big, or you may want to add a caption to it.
You can do this by clicking the image icon circled below whit your image is selected or simply double clicking your image or by right clicking the image and selecting image properties.
You will now be able to change the size of your image by adjusting the Width and Height. these are measured in pixels.
You can also resize the image by clicking and dragging the black box that appears in the bottom right hand corner of the image when you hover over it.
You can also add a caption to the image by ticking the box labelled Captioned Image. You can add the caption after clicking OK.