Can't get thumbnails to show

I can't seem to get the thumbnails to show in the teaser with Imagecache.

I am using this to show the images in the full node:

<?php if ($field_storyimage): ?>
<?php print $node->field_storyimage[0]['view']; ?>
<?php endif; ?>

It, of course, works.

In the teaser I have tried the following, but none work:

<?php if ($field_storyimage): ?>
<?php print theme('image', 'files/imagecache/smaller200/'. $node->field_storyimage[0]['filepath']); ?>
<?php endif; ?>

<?php if ($field_storyimage[0]['view'] > '' ) : ?>
<?php foreach($field_storyimage as $item) { ?>
<?php print '<img src="/files/imagecache/smaller200/'.$item['filepath'].'" title="'.$item['title'].'" alt="'.$item['alt'].'">'; ?>
<?php } ?>
<?php endif; ?>

The last one I use on a D5 site and it displays the intended results.

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Subir