diff -Naur ../activitystream.orig/activitystream.module ./activitystream.module
--- ../activitystream.orig/activitystream.module	2008-08-05 15:40:04.000000000 -0700
+++ ./activitystream.module	2008-08-06 12:54:57.000000000 -0700
@@ -427,4 +427,52 @@
   }
   watchdog('activitystream', t('Added %title from %name', array('%title' => $node->title, '%name' => $name)));
   return $node->nid;
-}
\ No newline at end of file
+}
+
+function activitystream_views_tables() {
+  $tables = array();
+  $tables['activitystream'] = array(
+    'name' => 'activitystream',
+    'provider' => 'internal',
+    'join' => array(
+      'left' => array(
+        'table' => 'node',
+        'field' => 'nid'
+      ),
+      'right' => array(
+        'table' => 'activitystream',
+        'field' => 'nid'
+      )
+    ),
+    'fields' => array(
+      'type' => array(
+        'name' => t('Activity Stream: Source'),
+        'handler' => array(
+          'views_handler_field_profile_default' => t('Source')
+        )
+      )
+    ),
+    'filters' => array(
+      'module' => array(
+        'name' => t('Activity Stream: Type'),
+        'list' => '_activitystream_views_handler_filter_type',
+        'list-type' => 'list',
+        'operator' => 'views_handler_operator_or',
+        'value-type' => 'array',
+        'help' => t('Include or exclude feeds of the selected types.')
+      )
+    )
+  );
+  
+  return $tables;
+}
+
+function _activitystream_views_handler_filter_type() {
+  $sources = array();
+  $module_list = module_rebuild_cache();
+  $implementing_modules = module_implements('streamapi');
+  foreach ($implementing_modules as $module_name) {
+    $sources[$module_name] = $module_list[$module_name]->info['name'];
+  }
+  return $sources;
+}