Modifing Index.php

<?php
/* Mystique/digitalnature */
get_header();
?>

<!-- main content: primary + sidebar(s) -->
<div id="main">
<div id="main-inside" class="clearfix">
<!-- primary content -->
<div id="primary-content">
<?php
if (have_posts()):
while (have_posts()):
the_post();
include(TEMPLATEPATH . '/post.php');
endwhile; ?>

<div class="page-navigation clearfix">
<?php if(function_exists('wp_pagenavi')): wp_pagenavi(); else: ?>
<?php if(function_exists('wp_paginate')) {
wp_paginate();
} ?>
<?php endif; ?>
</div>
<?php else: ?>
<h1 class="title error"><?php _e("No posts found","mystique"); ?></h1>
<p><?php _e("Sorry, but you are looking for something that isn't here.","mystique"); ?></p>

<?php endif; ?>

</div>
<!-- /primary content -->

<?php get_sidebar(); ?>

</div>
</div>
<!-- /main content -->

<?php get_footer(); ?>

I want to edit this code to add some cool stuf i have a web site for movies ( http://only-fly.com ), i whant to show on homepage just 5 post of one category, and down i want somthing for movies (boxofice, best actors …) . Your can give mee the code of boxoffice and somthing alse and i can edit:D, pleasa come whit some ideas.