Custom Excerpt with Image and some other stuff from a Post.

wp-custom-excerpt.php

function custom_excerpt($excerpt){
  preg_match_all('/<img.*?src="(.+?)"(.*?)>/i',get_the_content(),$match);
  $image = $match[0][0];
  $link = '<h2><a href="'.get_permalink().'" title="'.get_the_title().'"></a></h2>';
  $excerpt = '<p>'.$excerpt.'</p>'; 
  return $image . $link . $excerpt;

}


function get_custom_excerpt($excerpt){
  preg_match_all('/<img.*?src="(.+?)"(.*?)>/i',get_the_content(),$match);
  $array = array(
            'image' => $match[0][0],
            'excerpt' => $excerpt
            );
  return $array;
}

add_filter( "the_excerpt", 'custom_excerpt');
add_filter( "get_the_excerpt", 'get_custom_excerpt');