Displaying Custom Taxonomies From Multiple Custom Post Types

I figured it out. Setting ‘relation’ to ‘OR’ is important.

<?php $myquery['tax_query'] = array(
'relation' => 'OR',
array(
    'taxonomy' => 'category',
    'terms' => array('home-slides'),
    'field' => 'slug',
),
array(
    'taxonomy' => 'miss_behave_category',
    'terms' => array('home-slides-1'),
    'field' => 'slug',
),
array(
    'taxonomy' => 'emily_category',
    'terms' => array('home-slides-2'),
    'field' => 'slug',
),
);
query_posts($myquery);
 ?>