diff --git a/browser/liquid/__init__.py b/browser/liquid/__init__.py
index cfdbeb8..1035a9a 100644
--- a/browser/liquid/__init__.py
+++ b/browser/liquid/__init__.py
@@ -3,7 +3,14 @@ $Id$
 """
 
 from zope.publisher.interfaces.browser import IBrowserRequest
+from zope.publisher.interfaces.browser import IDefaultBrowserLayer
+from zope.app.rotterdam import Rotterdam
+
 
 class liquid(IBrowserRequest):
     """The `liquid` layer."""
 
+
+class Liquid(liquid, Rotterdam):
+    """ The Liquid skin """
+
diff --git a/browser/liquid/configure.zcml b/browser/liquid/configure.zcml
index 749dcc3..235fcf5 100644
--- a/browser/liquid/configure.zcml
+++ b/browser/liquid/configure.zcml
@@ -6,32 +6,42 @@
    i18n_domain="zope"
    >
 
-  <layer name="liquid"
+  <!--<layer name="liquid"
          interface="cybertools.browser.liquid.liquid" />
 
   <skin name="Liquid"
-        layers="liquid rotterdam default" />
+        layers="liquid rotterdam default" />-->
+
+  <zope:interface
+      interface="cybertools.browser.liquid.Liquid"
+      type="zope.publisher.interfaces.browser.IBrowserSkinType"
+      name="Liquid"
+      />
 
   <page for="*"
         name="skin_macros" template="view_macros.pt"
         permission="zope.View"
-        layer="liquid" />
+        layer="cybertools.browser.liquid.liquid" />
 
   <page for="*"
         name="base_macros" template="view_macros.pt"
         permission="zope.View"
-        layer="liquid" />
+        layer="cybertools.browser.liquid.liquid" />
 
   <page name="controller"
         for="zope.app.publisher.interfaces.browser.IBrowserView"
         class="cybertools.browser.liquid.controller.Controller"
         permission="zope.Public"
-        layer="liquid"
+        layer="cybertools.browser.liquid.liquid"
         />
 
-  <resource name="zope3_tablelayout.css" file="zope3_tablelayout.css" layer="liquid" />
-  <resource name="base.css"   file="base.css"   layer="liquid" />
-  <resource name="print.css"  file="print.css"  layer="liquid" />
-  <resource name="custom.css" file="custom.css" layer="liquid" />
+  <resource name="zope3_tablelayout.css" file="zope3_tablelayout.css"
+        layer="cybertools.browser.liquid.liquid" />
+  <resource name="base.css"   file="base.css"
+        layer="cybertools.browser.liquid.liquid" />
+  <resource name="print.css"  file="print.css"
+        layer="cybertools.browser.liquid.liquid" />
+  <resource name="custom.css" file="custom.css"
+        layer="cybertools.browser.liquid.liquid" />
 
 </configure>
diff --git a/browser/loops/__init__.py b/browser/loops/__init__.py
index cfdbeb8..39a9c73 100644
--- a/browser/loops/__init__.py
+++ b/browser/loops/__init__.py
@@ -3,7 +3,9 @@ $Id$
 """
 
 from zope.publisher.interfaces.browser import IBrowserRequest
+from zope.publisher.interfaces.browser import IDefaultBrowserLayer
+from zope.app.rotterdam import Rotterdam
 
-class liquid(IBrowserRequest):
-    """The `liquid` layer."""
 
+class Loops(Rotterdam):
+    """ The Loops skin """
diff --git a/browser/loops/configure.zcml b/browser/loops/configure.zcml
index ad9b94c..6745f31 100644
--- a/browser/loops/configure.zcml
+++ b/browser/loops/configure.zcml
@@ -6,16 +6,26 @@
    i18n_domain="zope"
    >
 
-  <layer name="loops" />
+  <!--<layer name="loops" />
 
   <skin name="Loops"
-        layers="loops rotterdam default" />
+        layers="loops rotterdam default" />-->
 
-  <resource name="zope3_tablelayout.css" file="loops_layout.css" layer="loops" />
+  <zope:interface
+      interface="cybertools.browser.loops.Loops"
+      type="zope.publisher.interfaces.browser.IBrowserSkinType"
+      name="Loops"
+      />
+
+  <resource name="zope3_tablelayout.css" file="loops_layout.css"
+            layer="cybertools.browser.loops.Loops" />
   <resource name="site_management_tablelayout.css"
-            file="loops_management_layout.css" layer="loops" />
-  <resource name="favicon.png" file="loops_favicon.png" layer="loops" />
-  <resource name="zope3logo.gif" file="loops_logo.png" layer="loops" />
+            file="loops_management_layout.css"
+            layer="cybertools.browser.loops.Loops" />
+  <resource name="favicon.png" file="loops_favicon.png"
+            layer="cybertools.browser.loops.Loops" />
+  <resource name="zope3logo.gif" file="loops_logo.png"
+            layer="cybertools.browser.loops.Loops" />
 
   <!-- control management menu -->
 
@@ -23,7 +33,7 @@
         name="view_get_menu"
         permission="zope.Public"
         class=".menu.MenuAccessView"
-        layer="loops"
+        layer="cybertools.browser.loops.Loops"
         allowed_interface="zope.app.publisher.interfaces.browser.IMenuAccessView"
         />
 
@@ -35,14 +45,14 @@
       name="login_logout" for="*"
       class=".auth.LoginLogout"
       permission="zope.Public"
-      layer="loops"
+      layer="cybertools.browser.loops.Loops"
       />
 
   <page
       name="loginForm.html" for="*"
       template="loginform.pt"
       permission="zope.Public"
-      layer="loops"
+      layer="cybertools.browser.loops.Loops"
       />
 
   <zope:utility