templates/commons/featured.ftl

  
    <#if (post.featuredimage?has_content) >
    <a href="${post.noExtensionUri!post.uri}" class="image featured">
        <img src="<#if (content.rootpath)??>${content.rootpath}<#else></#if>${post.featuredimage}" alt="${post.featuredalt}" />
    </a>
    </#if>