WordPress MU

Hi there

I have the following code to create a second default page

$wpdb->insert( $wpdb->posts, array(
		'post_author' => $user_id,
		'post_date' => $now,
		'post_date_gmt' => $now_gmt,
		'post_content' => 'first page test. this is the first page. PLEASE TEST ME',
		'post_excerpt' => '',
		'post_title' => __('Contact'),
		'post_name' => __('contact'),
		'post_modified' => $now,
		'post_modified_gmt' => $now_gmt,
		'post_status' => 'publish',
		'post_type' => 'page',
		'to_ping' => '',
		'pinged' => '',
		'post_content_filtered' => ''
	) );

How do i assign a page template?

Would this work? "'post_template' => 'myfrontpage.php',"

I am having problems with assigning a page template to default pages as well...can anyone sheds some light on this?