http://www.ahy4life.com/update_20121008/promos.php right column, center section

How do I mod/replace the code below to pull an excerpt from a specific category so that the title populates the top and the excerpt populates the bottom as in <http://www.ahy4life.com/events.php>?

'
<?php
$featuredPosts = new WP_Query();
$featuredPosts->query('showposts=5&cat=8');
while ($featuredPosts->have_posts()) : $featuredPosts->the_post(); ?>
<h2><center><?php the_title(); ?></center></h2>

<?php the_excerpt(); ?>

<?php endwhile; ?>
'