Here ya go, place this directly above
the excerpt tag:
PHP Code:
<?php $recent = new WP_Query("cat=".get_theme_mod('featured_bottom')."&showposts=".get_theme_mod('featured_bottom_num')); while($recent->have_posts()) : $recent->the_post();?>
<?php if( get_post_meta($post->ID, "thumb", true) ): ?>
<a href="<?php the_permalink() ?>" rel="bookmark"><img class="thumb" src="<?php bloginfo('template_directory'); ?>/tools/timthumb.php?src=<?php echo get_post_meta($post->ID, "thumb", $single = true); ?>&h=<?php echo get_theme_mod('featured_bottom_thumb_height'); ?>&w=<?php echo get_theme_mod('featured_bottom_thumb_width'); ?>&zc=1" alt="<?php the_title(); ?>" /></a>
<?php else: ?>
<?php endif; ?>