form::image PHP Method

    public static function image($url, $name = null, $attributes = array())
    {
        $attributes['src'] = URL::to_asset($url);
        return static::input('image', $name, null, $attributes);
    }

function meta_acpt_slide_options()
{
    $form = new form('slide', null);
    $form->image('image', array('label' => 'Image URL', 'help' => 'Upload an Image that is 940px by 350px for best results', 'button' => 'Add Your Slide'));
    $form->text('headline', array('label' => 'Headline'));
    $form->textarea('description', array('label' => 'Description'));
    $form->select('showText', array('Yes', 'No'), array('label' => 'Show Headline and Description'));
}