array(
    'type'  => 'background-image',
    'value' => 'bg-1',
    'attr'  => array( 'class' => 'custom-class', 'data-foo' => 'bar' ),
    'label' => __('Label', '{domain}'),
    'desc'  => __('Description', '{domain}'),
    'help'  => __('Help tip', '{domain}'),
    'choices' => array(
        'none' => array(
            'icon' => get_template_directory_uri() . '/images/bg/bg-0.jpg',
            'css'  => array(
                'background-image' => 'none'
            ),
        ),
        'bg-1' => array(
            'icon'  => get_template_directory_uri() . '/images/bg/bg-1.jpg',
            'css'  => array(
                'background-image'  => 'url("' . get_template_directory_uri() . '/images/bg-1.png' . '")',
                'background-repeat' => 'repeat',
            ),
        ),
        'bg-2' => array(
            'icon' => get_template_directory_uri() . '/images/bg/bg-2.jpg',
            'css'  => array(
                'background-image'  => 'url("' . get_template_directory_uri() . '/images/bg-2.png' . '")',
                'background-repeat' => 'repeat-y'
            ),
        )
    )
)