add some actions to your preset,
add a
-print theme('imagecache', $preset_namespace, $image['filepath'])
-to you themes and you should be set.
+print theme('imagecache', $ruleset_namespace, $image['filepath'], $alt, $title, $attributes)
+to your tpl.php file where you would like the image to appear, where $alt, $title and $attributes are optional parameters.
+
Theory of Operation...