Right now it seems like there is no query regarding the amount of posts to be shown.
Try adding this above your WHILE argument:
global $query_string;
query_posts( $query_string . '&posts_per_page=5' );
Right now it seems like there is no query regarding the amount of posts to be shown.
Try adding this above your WHILE argument:
global $query_string;
query_posts( $query_string . '&posts_per_page=5' );