Index: plugins/FeedsProcessor.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/feeds/plugins/FeedsProcessor.inc,v
retrieving revision 1.13
diff -u -p -r1.13 FeedsProcessor.inc
--- plugins/FeedsProcessor.inc	13 Jul 2010 19:32:06 -0000	1.13
+++ plugins/FeedsProcessor.inc	13 Jul 2010 19:58:25 -0000
@@ -108,12 +108,12 @@ abstract class FeedsProcessor extends Fe
       $target_item = (object)$target_item;
       $convert_to_array = TRUE;
     }
-    foreach ($targets[$this->id] as $target_name => $target) {
-      if (isset($target['real_target']) && isset($target_item->$target['real_target'])) {
-        unset($target_item->$target['real_target']);
+    foreach ($this->config['mappings'] as $mapping) {
+      if (isset($targets[$mapping['target']]['real_target'])) {
+        unset($target_item->{$targets[$mapping['target']]['real_target']});
       }
-      else if (isset($target_item->$target_name)) {
-        unset($target_item->$target_name);
+      elseif (isset($target_item->{$mapping['target']})) {
+        unset($target_item->{$mapping['target']});
       }
     }
     if ($convert_to_array) {
Index: plugins/FeedsNodeProcessor.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/feeds/plugins/FeedsNodeProcessor.inc,v
retrieving revision 1.44
diff -u -p -r1.44 FeedsNodeProcessor.inc
--- plugins/FeedsNodeProcessor.inc	13 Jul 2010 19:37:37 -0000	1.44
+++ plugins/FeedsNodeProcessor.inc	13 Jul 2010 19:58:25 -0000
@@ -259,6 +259,10 @@ class FeedsNodeProcessor extends FeedsPr
       );
     }
     $targets += array(
+      'uid' => array(
+        'name' => t('User ID'),
+        'description' => t('The Drupal user ID of the node author.'),
+      ),
       'status' => array(
         'name' => t('Published status'),
         'description' => t('Whether a node is published or not. 1 stands for published, 0 for not published.'),