ultimos_productos.php

<?php
	$args=array('post_type' => 'product',
		'post_status' => 'publish',
		'posts_per_page' => '3',
		'orderby' => 'date',
		'order'   => 'DESC'
    	);
	$posts = null;	
	$posts = new WP_Query($args);
    if( $posts->have_posts() )
    {
	    echo "<div class='ultimos_productos'>";
	    echo "<ul>";
	    while ($posts->have_posts())
	    {
			echo "<li>";
			$posts->the_post();
			$titulo = get_the_title();
			$resumen = get_the_excerpt();
			$fecha = get_the_date();
			$enlace = get_permalink();
			$thumb_id = get_post_thumbnail_id();
			$thumb_url = wp_get_attachment_image_src($thumb_id,'medium', true);
			$url_imagen=$thumb_url[0];
			echo "<a href='$enlace'><h3>$titulo</h3></a>";
			echo "<div class='imagenyresumen'>";
			echo "<img class='imagen_producto' src='$url_imagen' /><br />";
			echo "<p class='resumen_producto'>$resumen</p>";
			echo "</div>";
			echo "<p class='masinfo_producto'>";
			echo "<a href='$enlace'>Ver más</a>";
			echo "</p>";
			echo "</li>";
	    }
	    echo "</ul>";
        echo "</div>";
    }
    wp_reset_query();
?>