The Image button above the Body section will add an image to top of the page
Upload a New file: Browse > Choose File > Upload > Next > give Alt Text (used by screen readers) and title text (creates Tool Tip for mouse-over > Save
Allowed file types: png gif jpg jpeg - maximum size is 5 MB
click on Image Attach Media below the WYSIWYG Body box > Browse >
Upload a New file: Browse > Choose File > Upload > Next > give Alt Text (used by screen readers) and title text (creates Tool Tip for mouse-over > Save