Added locale (english only at the moment) and modifed the EJS so I think

every string is customisable (via the /locales/selected locale)

views/headers/site_wide.ejs

@@ -1 +1,5 @@
-<a href="/">Home Page</a><br/>
+<a href="/"><%= locale.home_page %></a> 
+<a href="/index/pages"><%= locale.site_index %></a> 
+<a href="<%= config.new_post_url %>"><%= locale.new_post %></a>
+<br/>
+<%- config.seperator %>

views/headers/tag.ejs

@@ -1,4 +1,4 @@
 <h1>
-    Post's tagged "<%- tag %>":
+    <%= locale.posts_tagged %>: "<%- tag %>"
 </h1>
 <%- config.seperator %>

views/headers/timeline.ejs

@@ -4,11 +4,17 @@
 <h2>
     <%- config.site_description %>
 </h2>
-<a href="/rss">RSS Feed</a><br/>
-<a href="/atom">ATOM Feed</a><br/>
-<a href="<%= config.new_post_url %>">New post</a><br/>
-<a href="<%= config.signup_url %>">Sign Up</a><br/>
+<% if (config.rss == true) { %>
+    <a href="/rss"><%= locale.rss_feed %></a><br/>
+<% } %>
+<% if (config.atom == true) { %>
+    <a href="/atom"><%= locale.atom_feed %></a><br/>
+<% } %>
+<a href="<%= config.new_post_url %>"><%= locale.new_post %></a><br/>
+<% if (config.allow_signup == true) { %>
+    <a href="<%= config.signup_url %>"><%= locale.sign_up %></a><br/>
+<% } %>
 <% if (config.enable_hitcount == true) { %>
-Hitcount: <%= hitcount %>
+<%= locale.hitcount %>: <%= hitcount %>
 <% } %>
 <%- config.seperator %>

views/headers/user.ejs

@@ -1,8 +1,8 @@
 <h1>
-    <%= user.prettyname %>'s posts
+    <%= user.prettyname %>
 </h1>
 <p><%- converter.makeHtml(user.description) %></p>
-<a href="<%= config.edit_account_base_url %>/<%= userID %>">edit account</a><br/>
-<a href="/user/<%= user.username %>/rss">RSS</a><br/>
-<a href="/user/<%= user.username %>/atom">ATOM</a>
+<a href="<%= config.edit_account_base_url %>/<%= userID %>"><%= locale.edit_account %></a><br/>
+<a href="/user/<%= user.username %>/rss"><%= locale.rss_feed %></a><br/>
+<a href="/user/<%= user.username %>/atom"><%= locale.atom_feed %></a>
 <%- config.seperator %>