diff --git a/site-cookbooks/kosmos-mediawiki/recipes/default.rb b/site-cookbooks/kosmos-mediawiki/recipes/default.rb
index 261da2e..09331c6 100644
--- a/site-cookbooks/kosmos-mediawiki/recipes/default.rb
+++ b/site-cookbooks/kosmos-mediawiki/recipes/default.rb
@@ -160,15 +160,20 @@ ruby_block "configuration" do
 # Our config
 $wgGroupPermissions['*']['edit'] = false;
 $wgGroupPermissions['team'] = $wgGroupPermissions['user'];
-$wgGroupPermissions['user'   ]['edit']       = false;
+$wgGroupPermissions['user']['edit'] = true;
 $wgGroupPermissions['user']['editsemiprotected'] = false;
 $wgGroupPermissions['autoconfirmed']['editsemiprotected'] = false;
-$wgGroupPermissions['team']['edit']          = true;
-$wgGroupPermissions['team']['protect']  = true;
-$wgGroupPermissions['team']['editsemiprotected']  = true;
-$wgGroupPermissions['team']['editprotected']  = true;
+$wgGroupPermissions['team']['edit'] = true;
+$wgGroupPermissions['team']['protect'] = true;
+$wgGroupPermissions['team']['editsemiprotected'] = true;
+$wgGroupPermissions['team']['editprotected'] = true;
 $wgGroupPermissions['sysop']['edit'] = true;
 $wgEnableUploads = true;
+$wgFileExtensions = [ 'png', 'gif', 'jpg', 'jpeg', 'webp', 'svg' ];
+// Parse large SVGs, so they can be thumbnailed without errors
+// https://phabricator.wikimedia.org/T199737
+// https://www.mediawiki.org/wiki/Manual:$wgSVGMetadataCutoff
+$wgSVGMetadataCutoff = 20000000; // 20 MB
 
 $wgExtraNamespaces[100] = "Feature";
 $wgNamespacesWithSubpages[100] = true;
diff --git a/site-cookbooks/kosmos-mediawiki/templates/default/nginx.conf.erb b/site-cookbooks/kosmos-mediawiki/templates/default/nginx.conf.erb
index 1492fb3..b99742a 100644
--- a/site-cookbooks/kosmos-mediawiki/templates/default/nginx.conf.erb
+++ b/site-cookbooks/kosmos-mediawiki/templates/default/nginx.conf.erb
@@ -12,6 +12,8 @@ server {
         root <%= @docroot %>;
         index index.php;
 
+        client_max_body_size 20M;
+
         location / {
                 try_files $uri $uri/ /index.php?$args;
         }