Display recent posts, with thumbnails, in the Thesis Classic Sidebar

Thesis Sidebar Recent Posts

/* Recent Posts With Thumbnails in Sidebar */
function recent_posts_thumb() {
	global $post;
	$thumbnails = get_posts('numberposts=5');
		echo '<div class="recent-posts">';
			echo '<p class="widget_title">Recent Posts</p>';
			echo '<ul>';
			foreach ($thumbnails as $thumbnail) {
				if ( has_post_thumbnail($thumbnail->ID)) {
				echo '<li>';
					echo '<a href="' . get_permalink( $thumbnail->ID ) . '" title="' . esc_attr( $thumbnail->post_title ) . '">';
					echo get_the_post_thumbnail($thumbnail->ID, array(50,50));
					echo '</a>';
					echo '<p><a href="' . get_permalink( $thumbnail->ID ) . '" title="' . esc_attr( $thumbnail->post_title ) . '">'. esc_attr( $thumbnail->post_title ) .'</a></p>';
				echo '</li>';
				}
			}
			echo '</ul>';
		echo '</div>';
}
add_action('thesis_hook_container_sidebar_top', 'recent_posts_thumb');