Index: themes/seven/template.php
===================================================================
RCS file: /cvs/drupal/drupal/themes/seven/template.php,v
retrieving revision 1.20
diff -u -p -r1.20 template.php
--- themes/seven/template.php	14 Aug 2010 00:43:24 -0000	1.20
+++ themes/seven/template.php	22 Aug 2010 19:32:11 -0000
@@ -37,7 +37,9 @@ function seven_preprocess_page(&$vars) {
 function seven_node_add_list($variables) {
   $content = $variables['content'];
   $output = '';
-  if ($content) {
+  if (count($content) == 0) {
+    $output = '<p>' . t('You have not created any content types yet. Go to the <a href="@create-content">content type creation page</a> to add a new content type.', array('@create-content' => url('admin/structure/types/add'))) . '</p>';
+  } else {
     $output = '<ul class="node-type-list">';
     foreach ($content as $item) {
       $output .= '<li class="clearfix">';