wrote rails engine for later, added ability to add comments and see ones already posted.

lib/refinerycms-blog.rb

@@ -2,6 +2,24 @@ require 'filters_spam' if defined?(Bundler)
 
 module Refinery
   module Blog
+
+    class Engine < Rails::Engine
+      initializer 'blog serves assets' do
+        app.middleware.insert_after ::ActionDispatch::Static, ::ActionDispatch::Static, "#{root}/public"
+      end
+
+      config.after_initialize do
+        Refinery::Plugin.register do |plugin|
+          plugin.name = "refinerycms_blog"
+          plugin.url = {:controller => '/admin/blog/posts', :action => 'index'}
+          plugin.menu_match = /^\/?(admin|refinery)\/blog\/?(posts|comments|categories)?/
+          plugin.activity = {
+            :class => BlogPost
+          }
+        end
+      end
+    end if defined?(Rails::Engine)
+
     class << self
       def version
         %q{0.9.8.0.rc1}