diff --git a/src/Orchard.Web/Modules/Orchard.Comments/Orchard.Comments.csproj b/src/Orchard.Web/Modules/Orchard.Comments/Orchard.Comments.csproj
index 5e580fe26..489c3cd2c 100644
--- a/src/Orchard.Web/Modules/Orchard.Comments/Orchard.Comments.csproj
+++ b/src/Orchard.Web/Modules/Orchard.Comments/Orchard.Comments.csproj
@@ -127,7 +127,11 @@
       <SubType>Designer</SubType>
     </Content>
   </ItemGroup>
-  <ItemGroup />
+  <ItemGroup>
+    <Content Include="Styles\Web.config">
+      <SubType>Designer</SubType>
+    </Content>
+  </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v10.0\WebApplications\Microsoft.WebApplication.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
diff --git a/src/Orchard.Web/Modules/Orchard.Comments/Services/CommentService.cs b/src/Orchard.Web/Modules/Orchard.Comments/Services/CommentService.cs
index cc0fa7127..9f44c5b7f 100644
--- a/src/Orchard.Web/Modules/Orchard.Comments/Services/CommentService.cs
+++ b/src/Orchard.Web/Modules/Orchard.Comments/Services/CommentService.cs
@@ -75,7 +75,7 @@ namespace Orchard.Comments.Services {
             comment.Record.CommentText = context.CommentText;
             comment.Record.Email = context.Email;
             comment.Record.SiteName = context.SiteName;
-            comment.Record.UserName = (_orchardServices.WorkContext.CurrentUser == null ? context.Author : _orchardServices.WorkContext.CurrentUser.UserName);
+            comment.Record.UserName = (_orchardServices.WorkContext.CurrentUser != null ? _orchardServices.WorkContext.CurrentUser.UserName : null);
             comment.Record.CommentedOn = context.CommentedOn;
 
             comment.Record.Status = _commentValidator.ValidateComment(comment)
diff --git a/src/Orchard.Web/Modules/Orchard.Comments/Styles/Web.config b/src/Orchard.Web/Modules/Orchard.Comments/Styles/Web.config
new file mode 100644
index 000000000..b4210f3e0
--- /dev/null
+++ b/src/Orchard.Web/Modules/Orchard.Comments/Styles/Web.config
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+  <system.web>
+    <httpHandlers>
+      <!-- iis6 - for any request in this location, return via managed static file handler -->
+      <add path="*" verb="*" type="System.Web.StaticFileHandler" />
+    </httpHandlers>
+  </system.web>
+  <system.webServer>
+    <handlers accessPolicy="Script,Read">
+      <!--
+      iis7 - for any request to a file exists on disk, return it via native http module.
+      accessPolicy 'Script' is to allow for a managed 404 page.
+      -->
+      <add name="StaticFile" path="*" verb="*" modules="StaticFileModule" preCondition="integratedMode" resourceType="File" requireAccess="Read" />
+    </handlers>
+  </system.webServer>
+</configuration>
diff --git a/src/Orchard.Web/Modules/Orchard.Comments/Styles/orchard-comments-admin.css b/src/Orchard.Web/Modules/Orchard.Comments/Styles/orchard-comments-admin.css
index 2247cdf70..23bd8bd41 100644
--- a/src/Orchard.Web/Modules/Orchard.Comments/Styles/orchard-comments-admin.css
+++ b/src/Orchard.Web/Modules/Orchard.Comments/Styles/orchard-comments-admin.css
@@ -1,3 +1,13 @@
 table.items .actions {
     white-space:nowrap;   
+}
+table.items tr {
+    background:#f7f7f7;   
+}
+table.items tr.anonymous {
+    background:#fff;   
+}
+.anonymous-commenter-id,
+.authenticated-commenter-id {
+    font-style:italic;
 }
\ No newline at end of file
diff --git a/src/Orchard.Web/Modules/Orchard.Comments/Views/Admin/Index.cshtml b/src/Orchard.Web/Modules/Orchard.Comments/Views/Admin/Index.cshtml
index aecc00f7c..d7df77e17 100644
--- a/src/Orchard.Web/Modules/Orchard.Comments/Views/Admin/Index.cshtml
+++ b/src/Orchard.Web/Modules/Orchard.Comments/Views/Admin/Index.cshtml
@@ -53,7 +53,11 @@
 		    </thead>
             @{var commentIndex = 0;}
             @foreach (var commentEntry in Model.Comments) {
-            <tr itemscope="itemscope" itemid="@Model.Comments[commentIndex].Comment.Id" itemtype="http://orchardproject.net/data/Comment">
+                var commentClass = "";
+                if (!HasText(commentEntry.Comment.UserName)) {
+                    commentClass = "anonymous";
+                }
+            <tr itemscope="itemscope" itemid="@Model.Comments[commentIndex].Comment.Id" itemtype="http://orchardproject.net/data/Comment" class="@commentClass">
                 <td>
                     <input type="hidden" value="@Model.Comments[commentIndex].Comment.Id" name="@Html.NameOf(m => m.Comments[commentIndex].Comment.Id)"/>
                     <input type="checkbox" value="true" name="@Html.NameOf(m => m.Comments[commentIndex].IsChecked)"/>
@@ -63,7 +67,12 @@
                     else if (commentEntry.Comment.Status == CommentStatus.Pending) { @T("Pending") } 
                     else { @T("Approved") }
                 </td>
-                <td>@commentEntry.Comment.UserName</td>
+                <td>
+                    <div>@commentEntry.Comment.Author</div>
+                    @if (HasText(commentEntry.Comment.UserName) && commentEntry.Comment.Author != commentEntry.Comment.UserName) {
+                        <div class="authenticated-commenter-id">@commentEntry.Comment.UserName</div>
+                    }
+                </td>
                 <td>
                     @* would ideally have permalinks for individual comments *@
                     <p><a href="@Url.ItemDisplayUrl(commentEntry.CommentedOn)#comments"><time>@Html.DateTime(commentEntry.Comment.CommentDateUtc.GetValueOrDefault())</time></a></p>
diff --git a/src/Orchard.Web/Modules/Orchard.Comments/Views/ListOfComments.cshtml b/src/Orchard.Web/Modules/Orchard.Comments/Views/ListOfComments.cshtml
index d6cc3541e..24d5558df 100644
--- a/src/Orchard.Web/Modules/Orchard.Comments/Views/ListOfComments.cshtml
+++ b/src/Orchard.Web/Modules/Orchard.Comments/Views/ListOfComments.cshtml
@@ -7,7 +7,7 @@
         <article class="comment">
             <header>
                 <h4>
-                    <span class="who">@Html.LinkOrDefault(comment.Record.UserName, comment.Record.SiteName, new { rel = "nofollow" })
+                    <span class="who">@Html.LinkOrDefault(comment.Record.Author, comment.Record.SiteName, new { rel = "nofollow" })
                     </span>
                     <span class="when">said <time datetime="@comment.Record.CommentDateUtc.GetValueOrDefault()">@Html.Link((string)Display.DateTimeRelative(dateTimeUtc: comment.Record.CommentDateUtc.GetValueOrDefault()).ToString(), "#")</time>
                     </span>