I have made a small patch to support the popups api module so with this patch it should work out of the box. instead of going to the page.tpl.php file to find the id around the "print $content " i used the same div classes used in garland so with this patch no configuration is needed to get popups working. here is the code:

--- page.tpl.php	2009-08-21 03:39:14.000000000 -0700
+++ page.tpl.php	2009-08-21 03:38:47.000000000 -0700
@@ -149,7 +149,9 @@ if ($suckerfish) {
 				<div class="tabs"><?php print $tabs ?></div>
 				<?php print $help ?>
 				<?php if ($show_messages) { print $messages; } ?>
-				<?php print $content; ?>
+				<div class="left-corner"><div class="clear-block">
+					<?php print $content; ?>
+				</div></div>
 				<?php print $feed_icons; ?>
 				<?php if ($content_bottom): ?><div id="content-bottom"><?php print $content_bottom; ?></div><?php endif; ?>
 			</div>

this is my first patch so be easy. I used diff to create the patch.

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