Append a title to the slider but before thumbnails.

gistfile1.php

<?php
add_filter( 'tgmsp_after_slider', 'tgm_soliloquy_custom_title_after_slider', 10, 5 );
function tgm_soliloquy_custom_title_after_slider( $slider, $id, $images, $soliloquy_data, $soliloquy_count ) {
    
    // You could check for a specific ID here.
    if ( '324' !== $id )
        return $slider;
      
    // Build the H1 tag.  
    $h1 = '<h1>My Title Here</h1>';
    
    // Append the tag to the slider.
    return $slider . $h1;
    
}