To add slides copy the following 1.2.Use the media uploader to insert an image between the li tags. 3. Delete the height and width attributes from the image. 4. Be sure to remember 2 things 1 the more slides you have the slower the page load B. The picture is landscape oriented so if you load a portrait image it will break the layout and your image will be distorted images used here need to be 1200px x 600px or the same aspect ratio.