There are step by step process to upload images and put it on your desire location.
1. Click on the image icon as described in the below screenshot.
2. Now click on browse button then select your image.
3. After successful update ,then you have to select your image and then you will redirect to the next window there you can set your "Height" and "Width" as describe in the below screenshot and press ok button.
4. After press ok button , you can see the image in the editor box.
5. For better content formatting, you can modify your image according to your requirement. As you can see in the below screenshot , Click on source button.
6. Now you can modify your image or text according to your requirements. It is the basic HTML Tags or you can modify design.
Or
You can use editor's text formatting option. please see below screenshot.
