display just 10 items in custom template

Hi i have this template i would like to just display 10 items, because right now in general options in wordpress i have 5 items but i would like to make an exception with this template:

<?php
/*
Template Name: Blog List
*/
?>
<?php get_header(); ?>
<div class="content-wrap">
	<div class="content">
		<?php tie_breadcrumbs() ?>

<div id="content" class="podcast_archive">

		<!--<div class="podcast_full">-->

			<?php if ( have_posts() ) : ?>

				<header><meta http-equiv="Content-Type" content="text/html; charset=utf-8">
					<h1><?php _e( 'El Jurado del Pueblo' , 'ss-podcasting' ); ?></h1>
				</header>

				<?php
				$feed_url = trailingslashit( home_url() ) . '?feed=podcast';
				$custom_feed_url = get_option('ss_podcasting_feed_url');
				if( $custom_feed_url && strlen( $custom_feed_url ) > 0 && $custom_feed_url != '' ) {
					$feed_url = $custom_feed_url;
				}
				$itunes_url = str_replace( array( 'http:' , 'https:' ) , 'itpc:' , $feed_url );
				?>

				<section>

					<?php
					/* Start the Loop */
					while ( have_posts() ) : the_post(); ?>

						<?php
						$terms = wp_get_post_terms( get_the_ID() , 'series' );
						foreach( $terms as $term ) {
							$series_id = $term->term_id;
							$series = $term->name;
							break;
						}
						?>

						<article class="podcast_episode">

							<?php if( has_post_thumbnail() ) { ?>
								<?php $img = wp_get_attachment_image_src( get_post_thumbnail_id() ); ?>
								<a>" title="<?php the_title(); ?>">
									<?php the_post_thumbnail( 'podcast-thumbnail' , array( 'class' => 'podcast_image' , 'alt' => get_the_title() , 'title' => get_the_title() ) ); ?>
								</a>
							<?php } ?>

							<h3>
								<strong><?php the_title(); ?></strong>
								<div class="podcast_meta"><?php echo $series; ?><aside></div>
							</h3>

<div id="audio">
<?php global $ss_podcasting;
$enclosure = $ss_podcasting->get_enclosure( get_the_ID() );
if( $enclosure ) {
    $audio_player = $ss_podcasting->audio_player( $enclosure );
    echo $audio_player;
} ?>
<?php the_content(); ?>
</div>
<div id="audioinfo">
<a>">Descargar Audio</a>
<span class="audiometa">
Tama?o: <?php echo get_post_meta(get_the_ID(), 'filesize', true) ?>
</span>
</div>

<?php echo do_shortcode('[divider]');?>
</article>
					<?php
					endwhile;
					?>

				</section>

			<?php endif; ?>
<?php wp_pagenavi(); ?>

			<div class="podcast_clear"></div>

		</div>

		<?php comments_template( '', true ); ?>
	</div><!-- .content -->

<?php get_sidebar(); ?>
<?php get_footer(); ?>
?>

thank you