can't change Banner / LOGO

i tried external banner as uploading one,
both don't work,

only text will work,.

6.13

Fixed
insite page.tpl.php
put:

<td id="logo">
      <?php if ($logo) { ?><a href="<?php print $base_path ?>" title="<?php print t('Home') ?>">
<img src="<?php print $logo ?>" alt="<?php print t('Home') ?>" /></a><?php } ?>

above rule:

<?php if ($site_name) { ?><h1><a href="<?php print $base_path ?>" title="<?php print t('Home') ?>">

and change style.css to fit your logo!

fixed