diff --git a/config.js b/config.js
index e0a7ff5..799bc1f 100644
--- a/config.js
+++ b/config.js
@@ -20,6 +20,15 @@ module.exports = function () {
     ],
     'siteName': 'Freifunk Leipzig',
     'mapLayers': [
+      https://d.tile.openstreetmap.de/18/139990/87398.png
+      {
+        'name': 'OpenStreetMap.HOT',
+        'url': 'https://d.tile.openstreetmap.de/{z}/{x}/{y}.png',
+        'config': {
+          'maxZoom': 19,
+          'attribution': '&copy; Openstreetmap | &copy; <a href="http://www.openstreetmap.de">OpenStreetMap</a>'
+        }
+      },
       {
         'name': 'OpenStreetMap.HOT',
         'url': 'https://{s}.tile.openstreetmap.fr/hot/{z}/{x}/{y}.png',
@@ -28,6 +37,22 @@ module.exports = function () {
           'attribution': '&copy; Openstreetmap France | &copy; <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a>'
         }
       },
+      {
+        'name': 'Stamen Terrain',
+        'url': 'http://stamen-tiles-a.a.ssl.fastly.net/terrain/{z}/{x}/{y}.png',
+        'config': {
+          'maxZoom': 18,
+          'attribution': 'https://stamen.com/open-source/'
+        }
+      },
+      {
+        'name': 'Stamen Toner',
+        'url': 'http://stamen-tiles-c.a.ssl.fastly.net/toner/{z}/{x}/{y}.png',
+        'config': {
+          'maxZoom': 20,
+          'attribution': 'https://stamen.com/open-source/'
+        }
+      },
       {
         'name': 'Esri.WorldImagery',
         'url': '//server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}',