Twenty Thirteen

Recommended slideshow size: 1280 x 400. Go to Appearance > Editor. Select header.php from the right. Find (line 49):


</header><!-- #masthead -->

</header>

Insert below:


<?php 
    if (is_home() || is_front_page()) {
        echo do_shortcode("[metaslider id=123]"); // replace 123 with your slideshow ID
    }
?>

<?php

if (is_home() || is_front_page()) {

echo do_shortcode("[metaslider id=123]"); // replace 123 with your slideshow ID

}

Save.