casper83

this worked with me

if (class_exists('MultiPostThumbnails')
    && MultiPostThumbnails::has_post_thumbnail('page', 'secondary-image',$post->ID)) :
    MultiPostThumbnails::the_post_thumbnail('page', 'secondary-image', $post->ID, 'fifth-image');
    endif;

worked with me when i entered the post id

if (class_exists('MultiPostThumbnails')
    && MultiPostThumbnails::has_post_thumbnail('page', 'secondary-image',$post->ID)) :
    MultiPostThumbnails::the_post_thumbnail('page', 'secondary-image', $post->ID, 'fifth-image');
    endif;