<?php 
// http://tylersticka.com/2009/12/wp29thumbnails/

// Tell WordPress that post thumbnails are supported in this theme
add_theme_support('post-thumbnails');

// Function to display a list of portfolio items, updated to support WordPress 2.9's thumbnail feature
// Same arguments as get_work
function list_work($exclude=null, $limit=-1, $parent=3, $args = array('orderby'=>'menu_order','order'=>'ASC','post_type'=>'page')) {
	// Retrieve a set of work results
	$work = get_work($exclude,$limit,$parent,$args);
	// If work is successfully retrieved, build the list
	if ($work) : ?>
	<ul>
		<?php 
		// Loop through each item, making sure each has a valid post thumbnail
		// (So you don't break your layout)
		foreach ($work as $item) : if (has_post_thumbnail($item->ID)) :
		// Build the list item, with a linked thumbnail and title
		?>
		<li><a href="<?php echo get_permalink($item->ID) ?>">
			<?php echo get_the_post_thumbnail($item->ID); ?>
			<?php echo apply_filters('the_title',$item->post_title); ?>
		</a></li>
		<?php endif; endforeach; ?>
	</ul>
	<?php 
	// If no work is found, display an error message
	else : ?>
	<p>Our apologies, but we have yet to add any examples of our work. Check back soon!</p>
	<?php endif;
}
 ?>

http://tylersticka.com/2009/12/wp29thumbnails/

For use in conjunction with the get_work function in the theme functions template, functions.php.

Requires

WordPress-Powered Portfolios: list_work() (2.9 Update)

wordpress

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