diff --git a/setup.py b/setup.py
index 3b6dc2d40..2391c5272 100644
--- a/setup.py
+++ b/setup.py
@@ -63,6 +63,7 @@ setup(
     ' YouTube.com and other video sites.',
     url='https://github.com/rg3/youtube-dl',
     author='Ricardo Garcia',
+    author_email='ytdl@yt-dl.org',
     maintainer='Philipp Hagemeister',
     maintainer_email='phihag@phihag.de',
     packages=['youtube_dl', 'youtube_dl.extractor'],
diff --git a/youtube_dl/extractor/redtube.py b/youtube_dl/extractor/redtube.py
index 365aade56..994778e16 100644
--- a/youtube_dl/extractor/redtube.py
+++ b/youtube_dl/extractor/redtube.py
@@ -10,7 +10,8 @@ class RedTubeIE(InfoExtractor):
         u'file': u'66418.mp4',
         u'md5': u'7b8c22b5e7098a3e1c09709df1126d2d',
         u'info_dict': {
-            u"title": u"Sucked on a toilet"
+            u"title": u"Sucked on a toilet",
+            u"age_limit": 18,
         }
     }
 
diff --git a/youtube_dl/extractor/xhamster.py b/youtube_dl/extractor/xhamster.py
index 361619694..81c4be326 100644
--- a/youtube_dl/extractor/xhamster.py
+++ b/youtube_dl/extractor/xhamster.py
@@ -19,7 +19,8 @@ class XHamsterIE(InfoExtractor):
         u'info_dict': {
             u"upload_date": u"20121014", 
             u"uploader_id": u"Ruseful2011", 
-            u"title": u"FemaleAgent Shy beauty takes the bait"
+            u"title": u"FemaleAgent Shy beauty takes the bait",
+            u"age_limit": 18,
         }
     },
     {
@@ -27,9 +28,10 @@ class XHamsterIE(InfoExtractor):
         u'file': u'2221348.flv',
         u'md5': u'e767b9475de189320f691f49c679c4c7',
         u'info_dict': {
-            u"upload_date": u"20130914", 
-            u"uploader_id": u"jojo747400", 
-            u"title": u"Britney Spears  Sexy Booty"
+            u"upload_date": u"20130914",
+            u"uploader_id": u"jojo747400",
+            u"title": u"Britney Spears  Sexy Booty",
+            u"age_limit": 18,
         }
     }]
 
@@ -72,6 +74,8 @@ class XHamsterIE(InfoExtractor):
         video_thumbnail = self._search_regex(r'\'image\':\'(?P<thumbnail>[^\']+)\'',
             webpage, u'thumbnail', fatal=False)
 
+        age_limit = self._rta_search(webpage)
+
         return [{
             'id':       video_id,
             'url':      video_url,
@@ -80,5 +84,6 @@ class XHamsterIE(InfoExtractor):
             'description': video_description,
             'upload_date': video_upload_date,
             'uploader_id': video_uploader_id,
-            'thumbnail': video_thumbnail
+            'thumbnail': video_thumbnail,
+            'age_limit': age_limit,
         }]
diff --git a/youtube_dl/extractor/xvideos.py b/youtube_dl/extractor/xvideos.py
index c3b9736d7..90138d7e5 100644
--- a/youtube_dl/extractor/xvideos.py
+++ b/youtube_dl/extractor/xvideos.py
@@ -13,7 +13,8 @@ class XVideosIE(InfoExtractor):
         u'file': u'939581.flv',
         u'md5': u'1d0c835822f0a71a7bf011855db929d0',
         u'info_dict': {
-            u"title": u"Funny Porns By >>>>S<<<<<< -1"
+            u"title": u"Funny Porns By >>>>S<<<<<< -1",
+            u"age_limit": 18,
         }
     }
 
@@ -46,6 +47,7 @@ class XVideosIE(InfoExtractor):
             'ext': 'flv',
             'thumbnail': video_thumbnail,
             'description': None,
+            'age_limit': 18,
         }
 
         return [info]
diff --git a/youtube_dl/extractor/youporn.py b/youtube_dl/extractor/youporn.py
index b1f93dd1b..e3b56cece 100644
--- a/youtube_dl/extractor/youporn.py
+++ b/youtube_dl/extractor/youporn.py
@@ -26,7 +26,8 @@ class YouPornIE(InfoExtractor):
             u"upload_date": u"20101221", 
             u"description": u"Love & Sex Answers: http://bit.ly/DanAndJenn -- Is It Unhealthy To Masturbate Daily?", 
             u"uploader": u"Ask Dan And Jennifer", 
-            u"title": u"Sex Ed: Is It Safe To Masturbate Daily?"
+            u"title": u"Sex Ed: Is It Safe To Masturbate Daily?",
+            u"age_limit": 18,
         }
     }