diff --git a/src/Hydra/root/build.tt b/src/Hydra/root/build.tt
index 4c1d639d..28209841 100644
--- a/src/Hydra/root/build.tt
+++ b/src/Hydra/root/build.tt
@@ -32,16 +32,16 @@
     <td>
       [% IF build.finished %]
         [% IF build.resultInfo.buildstatus == 0 %]
-          <img src="/static/images/success.gif" />
+          <img src="/static/images/success.gif" alt="Succeeded" />
           <strong>Success</strong>
         [% ELSIF build.resultInfo.buildstatus == 1 %]
-          <img src="/static/images/failure.gif" />
+          <img src="/static/images/failure.gif" alt="Failed" />
           <span class="error">Build returned a non-zero exit code</span>          
         [% ELSIF build.resultInfo.buildstatus == 2 %]
-          <img src="/static/images/failure.gif" />
+          <img src="/static/images/failure.gif" alt="Failed" />
           <span class="error">A dependency of the build failed</span>
         [% ELSE %]
-          <img src="/static/images/failure.gif" />
+          <img src="/static/images/failure.gif" alt="Failed" />
           <span class="error">Build failed</span>
           (see <a href="#nix-error">below</a>)
           <form action="[% c.uri_for('/build' build.id 'restart') %]" method="post" class="inline">
diff --git a/src/Hydra/root/channel-contents.tt b/src/Hydra/root/channel-contents.tt
index 2c1959e5..9737474b 100644
--- a/src/Hydra/root/channel-contents.tt
+++ b/src/Hydra/root/channel-contents.tt
@@ -4,11 +4,30 @@
 
 <h1>Channel <tt>[% channelName %]</tt></h1>
 
-<p>You can subscribe to this channel by doing
+<p>This page provides a <em>channel</em> for the <a
+href="http://nixos.org/">Nix package manager</a>.  If you have Nix
+installed, you can subscribe to this channel by once executing</p>
 
-<pre>$ nix-channel --add [% curUri %]</pre>
+<pre>
+$ nix-channel --add [% curUri %]
+$ nix-channel --update</pre>
 
-</p>
+<p>You can then query and install packages in the normal way, e.g.,</p>
+
+<pre>
+$ nix-env -qa '*'
+$ nix-env -i foo</pre>
+
+<p>You can update to the latest versions of the packages in this channel by executing</p>
+
+<pre>
+$ nix-channel --update 
+$ nix-env -u '*'</pre>
+
+<p>Alternatively, if youhave associated the
+<tt>application/nix-package</tt> MIME type with the
+<tt>nix-install-package</tt> program in your web browser, you can
+install the package simply by clicking on the packages below.</p>
 
 
 <h2>Packages</h2>
diff --git a/src/Hydra/root/common.tt b/src/Hydra/root/common.tt
index 64cd0b25..435651f6 100644
--- a/src/Hydra/root/common.tt
+++ b/src/Hydra/root/common.tt
@@ -46,9 +46,9 @@
           [% IF !hideResultInfo %]
             <td>
               [% IF build.resultInfo.buildstatus == 0 %]
-                <img src="/static/images/success.gif" />
+                <img src="/static/images/success.gif" alt="Succeeded" />
               [% ELSE %]
-                <img src="/static/images/failure.gif" />
+                <img src="/static/images/failure.gif" alt="Failed" />
               [% END %]
             </td>
           [% END %]
@@ -77,11 +77,11 @@
       <td>[% finishedBuilds %]</td>
     </tr>
     <tr>
-      <th><img src="/static/images/success.gif" /> Succeeded builds:</th>
+      <th><img src="/static/images/success.gif" alt="Succeeded" /> Succeeded builds:</th>
       <td>[% succeededBuilds %]</td>
     </tr>
     <tr>
-      <th><img src="/static/images/failure.gif" /> Failed builds:</th>
+      <th><img src="/static/images/failure.gif" alt="Failed" /> Failed builds:</th>
       <td>[% finishedBuilds - succeededBuilds %]</td>
     </tr>
     <tr>
diff --git a/src/Hydra/root/edit-releaseset.tt b/src/Hydra/root/edit-releaseset.tt
index 4d8dc1ae..90ed6dfe 100644
--- a/src/Hydra/root/edit-releaseset.tt
+++ b/src/Hydra/root/edit-releaseset.tt
@@ -66,7 +66,7 @@
 </table>
 
 
-<script>
+<script type="text/javascript">
   $(document).ready(function() {
     var id = [% n %];
     
@@ -90,7 +90,7 @@
     <p><button id="delete-project" type="submit"><img src="/static/images/failure.gif" />Delete this release set</button></p>
   </form>
 
-  <script>
+  <script type="text/javascript">
     $("#delete-project").click(function() {
       return confirm("Are you sure you want to delete this release set?");
     });
diff --git a/src/Hydra/root/layout.tt b/src/Hydra/root/layout.tt
index 04b213c6..b5ed8689 100644
--- a/src/Hydra/root/layout.tt
+++ b/src/Hydra/root/layout.tt
@@ -4,12 +4,17 @@
 
 [% PROCESS common.tt %]
 
-[% BLOCK makeLink %]
+[% BLOCK makeLinkWrapped %]
   <li [% IF curUri == uri %]class="active"[% END %]>
     <div class="title"><a href="[% uri %]">[% title %]</a></div>
+    [% content %]
   </li>
 [% END %]
 
+[% BLOCK makeLink -%]
+[% INCLUDE makeLinkWrapped content="" -%]
+[% END %]
+
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
@@ -101,20 +106,21 @@
                     <ul class="subsubmenu">
                       [% INCLUDE makeLink uri = c.uri_for('/project' project.name 'jobstatus') title = "Job status" %]
                       [% INCLUDE makeLink uri = c.uri_for('/project' project.name 'all') title = "All builds" %]
-                      [% INCLUDE makeLink uri = c.uri_for('/releasesets' project.name) title = "Releases" %]
-                      
-                      [% IF project.releasesets && project.releasesets.size > 0 %]
-                        <ul class="subsubsubmenu">
-                          [% FOREACH releaseset IN project.releasesets %]
-                            [% myUri = c.uri_for('/releases' project.name releaseset.name) %]
-                            <li [% IF curUri == myUri %]class="active"[% END %]>
-                              <div class="title"><a href="[% myUri %]">
-                                [% HTML.escape(releaseset.description ? releaseset.description : releaseset.name) %]
-                              </a></div>
-                            </li>
-                          [% END %]
-                        </ul>
+                      [% WRAPPER makeLinkWrapped uri = c.uri_for('/releasesets' project.name) title = "Releases" %]
+                        [% IF project.releasesets && project.releasesets.size > 0 %]
+                          <ul class="subsubsubmenu">
+                            [% FOREACH releaseset IN project.releasesets %]
+                              [% myUri = c.uri_for('/releases' project.name releaseset.name) %]
+                              <li [% IF curUri == myUri %]class="active"[% END %]>
+                                <div class="title"><a href="[% myUri %]">
+                                  [% HTML.escape(releaseset.description ? releaseset.description : releaseset.name) %]
+                                </a></div>
+                              </li>
+                            [% END %]
+                          </ul>
+                        [% END %]
                       [% END %]
+                      
 
                       [% INCLUDE makeLink uri = c.uri_for('/project' project.name 'edit') title = "Edit" %]
                     </ul>
diff --git a/src/Hydra/root/product-list.tt b/src/Hydra/root/product-list.tt
index e8962bf8..7bc3d02c 100644
--- a/src/Hydra/root/product-list.tt
+++ b/src/Hydra/root/product-list.tt
@@ -26,12 +26,10 @@
           the <tt>application/nix-package</tt> MIME type associated
           with the <tt>nix-install-package</tt> program in your web
           browser.  Alternatively, you can install it from the
-          command-line:
+          command-line:</p>
           
           <pre>$ nix-install-package --non-interactive --url [% uri %]</pre>
           
-          </p>
-
           <p>If you get an error message “Permission denied”, you
           should make sure that you have sufficient access rights to
           the Nix store, e.g., run the command as <tt>root</tt>.
@@ -59,16 +57,16 @@
 
           <pre>$ gunzip &lt; [% filename %] | nix-store --import</pre>
 
-          or to download and unpack in one command:
+          <p>or to download and unpack in one command:</p>
 
           <pre>$ curl [% uri %] | gunzip | nix-store --import</pre>
 
           <p>The package can then be found in the path <tt>[%
-          product.path %]</tt>.  You’ll probably also want to do
+          product.path %]</tt>.  You’ll probably also want to do</p>
 
           <pre>$ nix-env -i [% product.path %]</pre>
 
-          to actually install the package in your Nix user environment.</p>
+          <p>to actually install the package in your Nix user environment.</p>
 
           <p>If you get the error message “imported
           archive lacks a signature”, you should make sure that you have
@@ -161,7 +159,7 @@
 
 [% END %]
 
-<script>
+<script type="text/javascript">
   $(document).ready(function() {
     $('.productDetailsToggle').toggle(
       function () { $(".productDetails", $(this).parents(".product")).fadeIn(); },
diff --git a/src/Hydra/root/project.tt b/src/Hydra/root/project.tt
index 7bf8e77c..1e86c08b 100644
--- a/src/Hydra/root/project.tt
+++ b/src/Hydra/root/project.tt
@@ -38,7 +38,7 @@
 
 [% BLOCK renderInput %]
 
-  <tr class="input [% extraClass %]" id="[% id %]">
+  <tr class="input [% extraClass %]" [% IF id %]id="[% id %]"[% END %]>
     <td>
       [% IF edit %]<button type="button" onclick='$(this).parents(".input").remove()'><img src="/static/images/failure.gif" alt="Delete input" /></button>[% END -%]
       <tt>[% INCLUDE maybeEditString param="$baseName-name" value=input.name extraClass="shortString" %]</tt>
@@ -222,7 +222,7 @@
       [% INCLUDE renderInputAlt alt=alt %]
     </tt>
 
-    <script>
+    <script type="text/javascript">
       $(document).ready(function() {
         var id = 0;
       
@@ -281,7 +281,7 @@
       <p><button id="delete-project" type="submit"><img src="/static/images/failure.gif" />Delete this project</button></p>
     </form>
       
-    <script>
+    <script type="text/javascript">
       $("#delete-project").click(function() {
         return confirm("Are you sure you want to delete this project?");
       });
diff --git a/src/Hydra/root/static/css/hydra.css b/src/Hydra/root/static/css/hydra.css
index efd5b046..bd269071 100644
--- a/src/Hydra/root/static/css/hydra.css
+++ b/src/Hydra/root/static/css/hydra.css
@@ -386,7 +386,7 @@ h1 {
 }
 
 #leftnavbar ul.subsubsubmenu > li {
-    font-size: 80%;
+    font-size: 90%;
     list-style: none;
     margin: 0 0 0 0;
     padding: 0 0 0 0;