Example for add a Custom Post Type to the WordPress Loop

gistfile1.txt

// add custom post type to wp loop
add_filter( 'pre_get_posts', array(&$this, 'add_to_query') );

// ads to query
function add_to_query( $query ) {
	
	if ( is_admin() || is_preview() )
		return;
	
	//if ( is_home() || is_front_page() && ( false == $query->query_vars['suppress_filters'] ) ) {
		$query->set( 'post_type', array( 'post', FB_CPT_POST_TYPE_1 ) );
	
	return $query;
}