This is an example of embedding Single Latest Posts into a WordPress Template file

slposts_templateFunction.php

<?php
  // Check if the plugin has been activated
  if( function_exists(  'single_latest_posts' ) ) {
    /**
     * Custom parameters
     * Set only those you want to use
     */
    $parameters = array(
      'title'             => 'Luxury',
      'title_only'        => 'false',
      'number_posts'      =>  3,
      'custom_post_type'  => 'cars',
      'category'          => 'luxury',
      'category_link'     => 'true',
      'category_ltitle'   => 'More on Luxury',
      'css_style'         => 'myslposts'
    );
    // Execute
    single_latest_posts( $parameters );
  }
?>