How do I insert images on a page ?

The image must be hosted on a website and you must have the relevant URL address.

You can host your images here : ImageShack

Once the image is saved, the URL address is indicated opposite Direct link to image

To obtain the URL of an image :

Go to the page containing the image to be inserted.
Right-click on the image.
Select Properties
Copy the URL address (begin with https://)

To insert it in the text editor :

Click on the place in which the image is to appear in the editor.
Click on the button Insert/Modify image
In the URL field, indicate the URL address of the image to be inserted.
Click on the Ok button

See also

Where can I insert photos in my Portfolio ?