There is only one option when you first create links, whether to place it in the main content or sub content section. These options will be available as settings after the player is created. If you choose a local page, just pick the page you want to link to and hit "Add Link." The proper code will be generated in the link. If you choose a link to a page on the web, enter a link name and the full link path (eg. http://bigearthweb.com/ or https://bigearthweb.com/?act=view&page=Home). Then choose an icon and add link.