Wordpress Genesis: Add featured image conditionally

featured-image.php

<?php

//* Auto post image
add_action( 'genesis_entry_header', 'advance_post_featured_image', 15 );

function advance_post_featured_image() {

	if ( is_archive() )
		return;

	if ( 'project' == get_post_type() ){
		$img = genesis_get_image( array( 'format' => 'html', 'size' => 'large', 'attr' => array( 'class' => 'post-image aligncenter' ) ) );
		printf( '<a href="%s" title="%s">%s</a>', get_permalink(), the_title_attribute( 'echo=0' ), $img );
	}
	else {
		$img = genesis_get_image( array( 'format' => 'html', 'size' => genesis_get_option( 'image_size' ), 'attr' => array( 'class' => 'post-image alignleft' ) ) );
		printf( '<a href="%s" title="%s">%s</a>', get_permalink(), the_title_attribute( 'echo=0' ), $img );
	}

}