Adding Images above homepage navigation

First, add a Image section under navigation header

Next, use this code to Website Tools > Under Not Linked > Code Injection > Footer

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.0/jquery.min.js"></script>
<script>
jQuery(document).ready(function($){
  $('body.homepage article>section:first-child').insertBefore('header#header');
})
</script>
<style>
body.homepage header#header {
   position: sticky !important;
  transform: Unset !important;
}
body.homepage div#siteWrapper>section {
    padding: 0px !important;
    z-index: 999999 !important;
}
</style>