Loop Issue

<?php get_header(); ?>
    <?php query_posts("orderby=rand&category_name=logos&posts_per_page=24"); ?>
        <?php if ( have_posts() ) : while ( have_posts() ) : the_post(); ?>
            <div class="thumb">
                <?php if (in_category("logos")
                    && $post == $posts[0]
                        || in_category("logos")
                    && $post == $posts[1]
                        || in_category("logos")
                    && $post == $posts[2]) {
                ?>
                    <div class="new">
                        <a href="<?php the_permalink(); ?>"><img src="<?php bloginfo("template_directory"); ?>/images/spacer.png" /></a>
                    </div>
                <?php } ?>
                <?php if (has_post_thumbnail()) {
                    the_post_thumbnail("thumb"); ?>
                <?php }
                else { ?>
                    <img src="<?php bloginfo("template_directory"); ?>/images/thumb.jpg" />
                <?php } ?>
            </div>
        <?php endwhile; else: ?>
            <p><?php _e("Sorry, no posts matched your criteria."); ?></p>
        <?php endif; ?>
    <?php wp_reset_query(); ?>
<?php get_sidebar(); ?>
<?php get_footer(); ?>