var_dump($user_more->field_picture);

array(1) {
  ["und"]=>
  array(1) {
    [0]=>
    array(12) {
      ["fid"]=>
      string(3) "214"
      ["uid"]=>
      string(3) "166"
      ["filename"]=>
      string(8) "image.png"
      ["uri"]=>
      string(22) "public://user/image.png"
      ["filemime"]=>
      string(9) "image/png"
      ["filesize"]=>
      string(4) "2984"
      ["status"]=>
      string(1) "1"
      ["timestamp"]=>
      string(10) "1418398214"
      ["alt"]=>
      string(0) ""
      ["title"]=>
      string(0) ""
      ["width"]=>
      string(2) "64"
      ["height"]=>
      string(2) "78"
    }
  }
}