spencejs

//Add Custom Field and Value to all pages
 add_action('publish_page', 'add_custom_field_automatically');
function add_custom_field_automatically($post_ID) {
  global $wpdb;
	if(!wp_is_post_revision($post_ID)) {
		add_post_meta($post_ID, 'ngg_gal_Images', '42', true);
	}
}

spencejs

//Add Single Post Templating By Category
add_filter('single_template', create_function('$t', 'foreach( (array) get_the_category() as $cat ) { if ( file_exists(TEMPLATEPATH . "/single-{$cat->term_id}.php") ) return TEMPLATEPATH . "/single-{$cat->term_id}.php"; } return $t;' ));

spencejs

// Add Post Type To Category Archives
add_filter('pre_get_posts', 'query_post_type');
function query_post_type($query) {
  if(is_category() || is_tag()) {
    $post_type = get_query_var('post_type');
  if($post_type)
	    $post_type = $post_type;
	else
	   $post_type = array('nav_menu_item','post','private_post'); // replace private_post to your custom post type, Leave nav_menu_item where it is!
    $query->set('post_type',$post_type);

spencejs

//Add Post Thumbnail to Feed
function feedFilter($query) {
  if ($query->is_feed) {
		add_filter('the_content', 'feedContentFilter');
		}
	return $query;
}
add_filter('pre_get_posts','feedFilter');
 
function feedContentFilter($content) {

spencejs

 add_theme_support('post-thumbnails');
set_post_thumbnail_size( 150, 120, true ); // Normal post thumbnails
add_image_size( 'magazine-post-thumbnail', 260, 174, true ); // Permalink thumbnail size
add_image_size( 'home-post-thumbnail', 168, 89, true ); // Permalink thumbnail size
add_image_size( 'single-post-thumbnail', 527, 317, true ); // Permalink thumbnail size

spencejs

/**
Made with the help of a tutorial at WPShout.com => http://wpshout.com.

Courtesy of the Hybrid theme - themehybrid.com

 * Adds the Hybrid Settings meta box on the Write Post/Page screeens
 *
 * @package Hybrid
 * @subpackage Admin
 */

spencejs

//Add Instructions to Featured Image Box
add_filter( 'admin_post_thumbnail_html', 'add_featured_image_html');

function add_featured_image_html( $html ) {

    return $html .= '<p>This is some sample text that can be displayed within the feature image box.</p>';

}

spencejs

//Add Custom Post Type To Feed
function mysite_feed_request($vars) {
    if (isset($vars['feed']) && !isset($vars['post_type']))
        $vars['post_type'] = array('post', 'projects');
    return $vars;
}
add_filter('request', 'mysite_feed_request');

spencejs

///////////////////////////////////////////////////////////
//Custom Backend Column from Custom Field. Be sure to edit post-type- "manage_edit-POSTTYPE_columns"- and Custom Field Name.
///////////////////////////////////////////////////////////
add_filter('manage_edit-staff_columns', 'my_columns');
function my_columns($columns) {
  unset($columns['author']);
	unset($columns['date']);
    $columns['Name'] = 'Name';
    $columns['author'] = 'Author';
    $columns['date'] = 'Date';

spencejs

// add category nicenames in body and post class
function category_id_class($classes) {
  global $post;
	foreach((get_the_category($post->ID)) as $category)
		$classes[] = $category->category_nicename;
	return $classes;
}
add_filter('post_class', 'category_id_class');
add_filter('body_class', 'category_id_class');