thanks @sanderschat ♥

thanks but not work !

my code :
theme code :

<?php 
$settings = get_option('my_theme_settings');
$image_id = $settings['logo_upload_file'];
$image_id = $image_id[0];
?>
<a href="#"><img class="head-logo" src="<?php echo wp_get_attachment_url($image_id); ?>"></a>

themesetting code :

*
 Title: setting
 Setting: my_theme_settings
 */

/*---LOGO---*/
piklist('field', array(
    'type' => 'file'
    ,'field' => 'logo_upload_file'
    ,'scope' => 'post_meta'
    ,'label' => 'logo upload'
    ,'description' => 'Size Only : 97 x 338 px'
    ,'options' => array(
      'basic' => true
    )
  ));

but nothing display !

i read :
`
http://piklist.com/user-guide/tutorials/displaying-images-upload-field/
`
but not working !!