You can see four buttons on each panel. These are for: adding a background image, adding layers, adding HTML content or changing the panel's content type.
If you click on each of these buttons, a certain modal window will be opened, that allow you to make the respective edits.
Background image editor
It consists of 3 sections: the Background Image section, which allows you to set the panel's main background image, the Opened Background Image section, which allows you to set the a background image that will only be visible when the panel is opened, and the Link section, which allows you to set a link for the background image.
Note: When you select an image from the WordPress Media Library, also select the most appropriate size for it in the Media Library's right sidebar, under ATTACHMENT DISPLAY SETTINGS . You will want to select an image size that is similar to the panel size.
It allows you to add static or animated layers. You can select from several layer types: paragraph layers, which allow you to add simple text paragraphs, heading layers, which allow you to add headings (e.g., H1, H2, H5, etc.), image layers, for adding images, video layers for adding several supported video types, and DIV layers, for any other HTML content.
After you add a layer, a group of settings will appear for that layer, allowing you to set the layer's position, size, animation effects and more. The name of the settings are intuitive and there's also inline information for those settings that have more complex roles.
It's possible to set the depth of the layers by sorting them in the list of layers from the left side.
It allows you to add any HTML content.
It allows you to change the panel's content type. By default, the Content Type setting is set to Custom Content , which allows you to manually set the panel's background image and all the other content. The Content from Posts option will enable the panel to load featured images and other content from posts, the Images from Post's gallery option will fetch images added through a [gallery] shortcode, and Flickr images will load images from Flickr.