<div id="page-content-container" class="wide clearfix">
    <?php if (have_posts()) : while (have_posts()) : the_post(); ?>
    <div id="content" class="clearfix">
        <div id="page-detail" class="clearfix">
            <?php if ( has_post_thumbnail() ) { ?>
            <?php the_post_thumbnail('thumb_wide'); ?>
            <?php } ?>
            <div class="post">
                <?php /*?><h2><?php the_title(); ?></h2><?php */?>
                <?php the_content(); ?>

<?php wp_list_categories('orderby=name&use_desc_for_title=0&child_of=3&title_li='); ?>

function new_excerpt_more($post) {
   return '&nbsp;'.'<a href="'. get_permalink($post->ID) . '">' . 'Leer mas' . '</a>';
}
   add_filter('excerpt_more', 'new_excerpt_more');

<h2>Novedades</h2>
        <?php if (have_posts()) : ?>
        <?php while (have_posts()) : ?>
        <?php the_post(); ?>
        <div class="post" id="post-&lt;?php the_ID(); ?>">
        <img src="&lt;?php echo get_post_meta($post->ID, 'img_home', true); ?>" />
          <h3 class="posttitle"><a href="&lt;?php the_permalink(); ?>" title="<?php the_title(); ?>"><?php the_title(); ?></a></h3>
          <?php the_excerpt('Read More'); ?>
          <div class="leermasHome"><a href="&lt;?php the_permalink(); ?>" title="<?php the_title(); ?>">Continuar leyendo</a></div>
          <div class="entry">