diff --git a/dpaste/models.py b/dpaste/models.py
index 50de3e4..dac663f 100644
--- a/dpaste/models.py
+++ b/dpaste/models.py
@@ -1,14 +1,19 @@
 import datetime
 import random
 import mptt
+
 from django.db import models
 from django.core.urlresolvers import reverse
+from django.conf import settings
 from django.utils.translation import ugettext_lazy as _
 from dpaste.highlight import LEXER_DEFAULT
 
-t = 'abcdefghijkmnopqrstuvwwxyzABCDEFGHIJKLOMNOPQRSTUVWXYZ1234567890'
-def generate_secret_id(length=4):
-    return ''.join([random.choice(t) for i in range(length)])
+L = getattr(settings, 'DPASTE_SLUG_LENGTH', 4)
+T = getattr(settings, 'DPASTE_SLUG_CHOICES',
+    'abcdefghijkmnopqrstuvwwxyzABCDEFGHIJKLOMNOPQRSTUVWXYZ1234567890')
+
+def generate_secret_id(length=L):
+    return ''.join([random.choice(T) for i in range(length)])
 
 class Snippet(models.Model):
     secret_id = models.CharField(_(u'Secret ID'), max_length=255, blank=True)
@@ -44,4 +49,4 @@ class Snippet(models.Model):
     def __unicode__(self):
         return self.secret_id
 
-mptt.register(Snippet, order_insertion_by=['content'])
\ No newline at end of file
+mptt.register(Snippet, order_insertion_by=['content'])
diff --git a/dpaste/urls/dpaste.py b/dpaste/urls/dpaste.py
index 32182b8..9cac388 100644
--- a/dpaste/urls/dpaste.py
+++ b/dpaste/urls/dpaste.py
@@ -1,4 +1,7 @@
 from django.conf.urls import url, patterns
+from django.conf import settings
+
+L = getattr(settings, 'DPASTE_SLUG_LENGTH', 4)
 
 urlpatterns = patterns('dpaste.views',
     url(r'^about/$', 'about', name='dpaste_about'),
@@ -7,8 +10,8 @@ urlpatterns = patterns('dpaste.views',
     url(r'^diff/$', 'snippet_diff', name='snippet_diff'),
     url(r'^history/$', 'snippet_history', name='snippet_history'),
     url(r'^delete/$', 'snippet_delete', name='snippet_delete'),
-    url(r'^(?P<snippet_id>[a-zA-Z0-9]+)/?$', 'snippet_details', name='snippet_details'),
-    url(r'^(?P<snippet_id>[a-zA-Z0-9]+)/delete/$', 'snippet_delete', name='snippet_delete'),
-    url(r'^(?P<snippet_id>[a-zA-Z0-9]+)/gist/$', 'snippet_gist', name='snippet_gist'),
-    url(r'^(?P<snippet_id>[a-zA-Z0-9]+)/raw/?$', 'snippet_details', {'template_name': 'dpaste/snippet_details_raw.html', 'is_raw': True}, name='snippet_details_raw'),
+    url(r'^(?P<snippet_id>[a-zA-Z0-9]{%d})/?$' % L, 'snippet_details', name='snippet_details'),
+    url(r'^(?P<snippet_id>[a-zA-Z0-9]{%d})/delete/$' % L, 'snippet_delete', name='snippet_delete'),
+    url(r'^(?P<snippet_id>[a-zA-Z0-9]{%d})/gist/$' % L, 'snippet_gist', name='snippet_gist'),
+    url(r'^(?P<snippet_id>[a-zA-Z0-9]{%d})/raw/?$' % L, 'snippet_details', {'template_name': 'dpaste/snippet_details_raw.html', 'is_raw': True}, name='snippet_details_raw'),
 )