1)Click on the "Web Editor" tab and "Web Editor" subtab
2) Click on the pencil icon next to the page you want to add the image to (ex. About Us)
3) Double Click on the image you want to change
4) Click Browse Server on the image window
5) In the image browser select the image you would like to insert (you can mouse over the image for a preview or change folder by clicking it's name). Click on the image
6) Click Ok in the image properties window
7) Click the blue "Save Changes" button to save your web page.