1. Open the page for editing in WordPress.
  2. Scroll down to the Content Banner box.
    content-banner-metabox
  3. Click the Add Image button and locate the image in your Media Library. If your image has not been added to your Media Library yet, upload it now.
    ml-tab
  4. When you have located the image in your Media Library, open the image properties box by clicking the Show link. (Note: if your image was not previously uploaded, you will be taken directly to the image properties box after uploading.)
    ml-show
  5. With the image properties box open, click the Add Banner Image button.
    add-banner-iamge
  6. WordPress returns to the page editor, and your banner image is displayed in the Content Banner editing box. Type a brief image description as the Alternate Text.
    add-alt-text
  7. Save your page and preview. Your content banner is now in place.

Before:

cb-before

After:

cb-after