diff --git a/pandora/item/urls.py b/pandora/item/urls.py
index 78dc1b7b..fee31d54 100644
--- a/pandora/item/urls.py
+++ b/pandora/item/urls.py
@@ -5,12 +5,12 @@ from django.conf.urls.defaults import *
 
 
 urlpatterns = patterns("item.views",
-    (r'^(?P<id>.*)/frame/(?P<size>\d+)/(?P<position>[0-9\.,]+).jpg$', 'frame'),
-    (r'^(?P<id>.*)/(?P<profile>.*.webm)$', 'video'),
-    (r'^(?P<id>.*)/(?P<profile>.*.mp4)$', 'video'),
-    (r'^(?P<id>.*)/poster\.(?P<size>\d+)\.jpg$', 'poster'),
-    (r'^(?P<id>.*)/poster\.(?P<size>large)\.jpg$', 'poster'),
-    (r'^(?P<id>.*)/poster\.jpg$', 'poster'),
-    (r'^(?P<id>.*)/timelines/(?P<timeline>.+)\.(?P<size>\d+)\.(?P<position>\d+)\.png$', 'timeline'),
+    (r'^(?P<id>[A-Z0-9].*)/frame/(?P<size>\d+)/(?P<position>[0-9\.,]+).jpg$', 'frame'),
+    (r'^(?P<id>[A-Z0-9].*)/(?P<profile>.*.webm)$', 'video'),
+    (r'^(?P<id>[A-Z0-9].*)/(?P<profile>.*.mp4)$', 'video'),
+    (r'^(?P<id>[A-Z0-9].*)/poster\.(?P<size>\d+)\.jpg$', 'poster'),
+    (r'^(?P<id>[A-Z0-9].*)/poster\.(?P<size>large)\.jpg$', 'poster'),
+    (r'^(?P<id>[A-Z0-9].*)/poster\.jpg$', 'poster'),
+    (r'^(?P<id>[A-Z0-9].*)/timelines/(?P<timeline>.+)\.(?P<size>\d+)\.(?P<position>\d+)\.png$', 'timeline'),
 )
 
diff --git a/pandora/urls.py b/pandora/urls.py
index a837da8f..c232e645 100644
--- a/pandora/urls.py
+++ b/pandora/urls.py
@@ -38,6 +38,6 @@ if settings.DEBUG:
             {'document_root': settings.TESTS_ROOT}),
     )
 urlpatterns += patterns('',
-    (r'.*', 'app.views.index'),
+    (r'^[A-Z0-9].*$', 'app.views.index'),
 )
 
diff --git a/static/404.html b/static/404.html
new file mode 100644
index 00000000..99bc2a2c
--- /dev/null
+++ b/static/404.html
@@ -0,0 +1 @@
+File not found
diff --git a/static/50x.html b/static/50x.html
new file mode 100644
index 00000000..6b2de3e6
--- /dev/null
+++ b/static/50x.html
@@ -0,0 +1 @@
+pan.do/ra is broken.