diff --git a/README b/README
index 226ed49..8191801 100644
--- a/README
+++ b/README
@@ -11,7 +11,7 @@ you need python, bazaar, pip and virtualenv:
     apt-get install python-setuptools bzr
     easy_install pip
     pip install virtualenv
-    apt-get install python-dev python-imaging
+    apt-get install python-dev python-imaging python-numpy
 
 also it uses system python moduels, so make sure you have
  ipython, dbmodule(psycopg2, python-mysqldb,..)
diff --git a/pandora/backend/models.py b/pandora/backend/models.py
index 544929b..f124ebf 100644
--- a/pandora/backend/models.py
+++ b/pandora/backend/models.py
@@ -180,6 +180,10 @@ class Movie(models.Model):
 
         'countries': 'country',
         'directors': 'director',
+        'writers': 'writer',
+        'editors': 'editor',
+        'producers': 'producer',
+        'cinematographer': 'cinematographer',
         'languages': 'language',
         'genres': 'genre',
         'keywords': 'keyword',