Portfolio lightbox doesn't work with Optimal v1.3

Yes prettyPhoto is deactivated by default. You can easily activate it by “uncommenting” the code, and then “commenting out” the code right above it.

Here is the code you’ll need to “uncomment” –

/**
 * Opens Featured Images with prettyPhoto Slideshow
 *
 * @author Wes Straham
 * @since 1.0.0
 */
/*add_action( 'genesis_before_post_content', 'epik_prettyPhoto_image' );
function epik_prettyPhoto_image() {
    $img = genesis_get_image( array( 'format' => 'html', 'size' => 'portfolio-thumbnail', 'attr' => array( 'class' => 'alignnone post-image' ) ) );
	printf( '<a href="%s" rel="prettyPhoto[gallery1]" title="%s">%s</a>', genesis_get_image( array( 'format' => 'url', 'size' => 'Portfolio Full', 'attr' => array( 'class' => 'alignnone post-image' ) ) ), the_title_attribute('echo=0'), $img );
}
*/

The code right above that looks like this –

/**
 * Adds Featured Image and links it to the Post
 *
 * @author Wes Straham
 * @since 1.0.0
 */
add_action( 'genesis_entry_header', 'optimal_portfolio_do_post_image' ); 
function optimal_portfolio_do_post_image() { 
	$img = genesis_get_image( array( 'format' => 'html', 'size' => 'portfolio-thumbnail', 'attr' => array( 'class' => 'alignnone post-image' ) ) ); printf( '<a href="%s" title="%s">%s</a>', get_permalink(), the_title_attribute('echo=0'), $img ); 
}

Be careful if you’re not familiar with editing PHP code and you’re working from the WP editor (and not an HTML/CSS/PHP editor through FTP)…..if you need my assistance just let me know. You may already know how to code, but I just wanted to make sure to be on the safe side.

Which thumbnails are you referring to? There are multiple thumbnails in different places.

Are you referring to the thumbnails that show up in your blog page? If so, that can be adjusted from your Genesis Theme Settings page. You can add more sizes in your functions file (just like the portfolio size that is there now) and then they will show up in your Genesis Theme Settings under Content Archives.

If you’re talking about the images that you add in a post, then that isn’t controlled by the theme, you would use WordPress’ image settings to control how they are displayed.

Anytime you change your thumbnail size anywhere in the theme, make sure and use the Regenerate Thumbnails plugin to automatically adjust all of your thumbnails to the size you have selected.

Once you add it and save it to the functions file it’s supposed to show up in the dropdown selection under Content Archives…..you have to check the Featured Image box for it to show up. And this is only for the Featured Images on the Blog page.

You’re Welcome!