// Header top right link HEADER_LINK_TEXT: "A story map <a href='http://twitter.com'><img src='https://g.twimg.com/Twitter_logo_blue.png' width='12px' /></a> <a href='http://facebook.com/'>Facebook</a>", HEADER_LINK_URL: "",
Hi,
That's not possible by configuration.
But you can certainly hide buttons and use the configurable link for that:// Header top right link HEADER_LINK_TEXT: "A story map <a href='http://twitter.com'><img src='https://g.twimg.com/Twitter_logo_blue.png' width='12px' /></a> <a href='http://facebook.com/'>Facebook</a>", HEADER_LINK_URL: "",
It should be possible to use image there