function wpc_rss_miniature($excerpt) {

global $post;



$content = '<p>' . get_the_post_thumbnail($post->ID) .

'</p>' . get_the_excerpt();



return $content;

}

add_filter('the_excerpt_rss', 'wpc_rss_miniature');

add_filter('the_content_feed', 'wpc_rss_miniature');