//getting the child categories
$allcats = get_categories('child_of='.get_query_var('cat'));
foreach ($allcats as $cat) :
$args = array(
 'category__in' => array($cat->term_id)
);

$customInCatQuery = new WP_Query($args);

if ($customInCatQuery->have_posts()) :
echo '<div class="menupageContent">';
	//GETTING THE IMAGES FROM THE PLUGIN SET ON THE POST PARENT
        $terms = apply_filters( 'taxonomy-images-get-terms', '' );
        if ( ! empty( $terms ) ) {
        foreach( (array) $terms as $term ) {
                if($term->term_id == $cat->term_id) {
                  echo wp_get_attachment_image( $term->image_id, 'menu' );
                }
        }
        }
//DISPLAY THE NAME OF THE CATEGORY PARENT
echo '<h3>'.$cat->name.'</h3>';
echo '<ul>';
while ($customInCatQuery->have_posts()) : $customInCatQuery->the_post(); ?>

<li><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></li>

 <?php
 endwhile;
 echo '</ul></div><!--end menupageContent-->';

 ?>

 <?php else :
 echo 'No post published in:'.$cat->name;
 endif;
 wp_reset_query();
 endforeach;

 ?>
  <?php if ( $wp_query->max_num_pages > 1 ) : ?>
      <div class="nav-previous"><?php next_posts_link( __( '<span class="meta-nav">&larr;</span> Older posts', 'paradiso' ) ); ?></div>
      <div class="nav-next"><?php previous_posts_link( __( 'Newer posts <span class="meta-nav">&rarr;</span>', 'paradiso' ) ); ?></div>
    <?php endif; ?>