diff -r 12fc4e8b6fde -r bb7808e180c3 DependencyInjection/Configuration.php
--- a/DependencyInjection/Configuration.php	Mon Feb 20 12:09:41 2012 +0100
+++ b/DependencyInjection/Configuration.php	Thu Feb 23 18:52:59 2012 +0100
@@ -66,6 +66,12 @@
                     ->prototype('variable')
                     ->end()
                 ->end()
+                ->arrayNode('curl_options')
+                    ->treatNullLike(array())
+                    ->useAttributeAsKey('name')
+                    ->prototype('variable')
+                    ->end()
+                ->end()
             ->end();
         
         return $treeBuilder;