ID ) ) { $content = '

' . get_the_post_thumbnail( $post->ID, 'medium' ) . '

' . get_the_excerpt(); } else { $content = get_the_excerpt(); } return $content; } add_filter( 'the_excerpt_rss', 'a13fe_rss_post_thumbnail' ); add_filter( 'the_content_feed', 'a13fe_rss_post_thumbnail' );