First post on page with https://gist.github.com/nimbupani/1421828.

index.html

@@ -3,6 +3,12 @@ layout: default
 title: {{ site.name }}
 ---
 
+<div class="blog-index">  
+  {% assign post = site.posts.first %}
+  {% assign content = post.content %}
+  {% include post_detail.html %}
+</div>
+
 <div id="home">
   <h1>Blog Posts</h1>
   <ul class="posts">