<form method="get" id="searchform" action="<?php bloginfo('url'); ?>">
    <input type="text" name="s" id="s" value="Search..." onfocus="if (this.value=='Search...') this.value='';" onblur="if (this.value=='') this.value='Search...';" />
    <?php
        $parent = get_cat_ID("Pictures");
    ?>
    <input type="hidden" name="cat" value="<?php echo $parent; ?>" />
    <input type="submit" id="searchsubmit" value="" />
</form>

<?php
    $args = array(
        'post_type' => 'attachment',
        'numberposts' => '-1',
        'category_name' => get_the_title()
    );
    $images = get_posts($args);
    if (!empty($images)) {
?>

    <?php
        $limit = 5;

        $total = count($images);
        $pages = ceil($total / $limit);
        $result = ceil($total / $limit);

        $current = isset($_GET['paged']) ? $_GET['paged'] : 1;
        $next = $current < $pages ? $current + 1 : null;
        $previous = $current > 1 ? $current - 1 : null;

        $offset = ($current - 1) * $limit;
        $images = array_slice($images, $offset, $limit)
    ?>

    <h4><span>Search</span> Results</h4>
    <ul class="category">
        <?php
            foreach ($images as $image) {
                $title = $image->post_title;
                $description = $image->post_content;
                $attachment_link = get_attachment_link( $image->ID );
        ?>
            <li>
                <div class="col1">
                    <a href="<?php echo $attachment_link; ?>"><?php echo wp_get_attachment_image($image->ID, "medium"); ?></a>
                </div>
                <div class="col2">
                    <h5><?php echo $title; ?></h5>
                    <p><?php echo $description; ?></p>
                </div>
            </li>
        <?php } ?>
    </ul>

    <?php echo "<p>(Page: ". $current . " of " . $result .")</p>"; ?>
    <? if($previous): ?>
        <a href="<?php bloginfo('url'); ?>?paged<?= $previous ?>">Previous</a>
    <? endif ?>
    <? if($next) : ?>
        <a href="<?php bloginfo('url'); ?>?paged<?= $next ?>">Next</a>
    <? endif ?>
<?php } ?>