diff --git a/README.md b/README.md
index 1b8c41d..1b6146d 100644
--- a/README.md
+++ b/README.md
@@ -59,6 +59,8 @@ To define custom header cover, set the property ``HEADER_COVER`` in ``pelicancon
 HEADER_COVER = 'static/my_image.png'
 ```
 
+This is site level cover image and it will be used If there is no cover image set in [article](#articles) level.
+
 #### Header Color
 
 To define a simple header background color, set the property ``HEADER_COLOR`` in ``pelicanconf.py``:
@@ -67,7 +69,7 @@ To define a simple header background color, set the property ``HEADER_COLOR`` in
 HEADER_COLOR = 'black'
 ```
 
-you can use any valid css color.
+you can use any valid css color. This will be used if there is no cover image set in [article](#articles) level and site level.
 
 #### Social URLs
 
@@ -154,12 +156,13 @@ Accept many analytics:
 
 #### Articles
 
- - To customize header cover to articles, insert the metadata ``header_cover``.
+ - To customize header color to articles, insert the metadata ``color``.
+ - To customize header cover to articles, insert the metadata ``cover``, otherwise ``og_image`` or ``HEADER_COVER`` will be used.
  - To customize OpenGraph images, insert the metadata ``og_image``, otherwise
- ``cover``, ``HEADER_COVER`` or a default image is used.
+ ``cover``, ``HEADER_COVER`` or a [default image](https://github.com/arulrajnet/attila/blob/master/static/images/post-bg.jpg) from theme will be used.
  - To customize Twitter card images, insert the metadata ``twitter_image``,
- otherwise ``header_cover``, ``HEADER_COVER`` or a default image is used.
- Twitter cards are automatically generated if the ``twitter`` icon is configured
+ otherwise ``header_cover``, ``HEADER_COVER`` or a default image from theme will be used.
+ Twitter cards will be generated automatically if the ``twitter`` account is configured
  in ``SOCIAL``!
 
 All image paths are relative from the site root directory. You can also use
diff --git a/templates/article.html b/templates/article.html
index d28345e..28a14f2 100644
--- a/templates/article.html
+++ b/templates/article.html
@@ -18,6 +18,12 @@
   {% set default_cover = SITEURL+"/"+HEADER_COVER %}
 {% endif %}
 
+{% if article.color %}
+  {% set default_color = article.color %}
+{% elif HEADER_COLOR %}
+  {% set default_color = HEADER_COLOR %}
+{% endif %}
+
 {% block head %}
     {{ super() }}
 
@@ -87,8 +93,8 @@
         {% endif %}
         {% if default_cover %}
             <div class="post-cover cover" style="background-image: url('{{ default_cover }}')">
-        {% elif HEADER_COLOR %}
-            <div class="post-cover cover" style="background-color: {{ HEADER_COLOR }}">
+        {% elif default_color %}
+            <div class="post-cover cover" style="background-color: {{ default_color }}">
         {% else %}
             <div class="post-cover cover" style="background-image: url('{{ SITEURL }}/{{ THEME_STATIC_DIR }}/images/post-bg.jpg')">
         {% endif %}
@@ -131,9 +137,17 @@
                 {% for author in article.authors %}
                 {% if AUTHORS_BIO and author.name.lower() in AUTHORS_BIO %}
                 <aside class="post-author">
-                    {% if AUTHORS_BIO[author.name.lower()].image %}
+                    {% set author_avatar = AUTHORS_BIO[author.name.lower()].image %}
+                    {% if  author_avatar %}
+
+                        {% if author_avatar|lower|truncate(4, True, '') == "http" %}
+                            {% set author_avatar = author_avatar %}
+                        {% else %}
+                            {% set author_avatar = SITEURL+"/"+author_avatar %}
+                        {% endif %}
+
                         <figure class="post-author-avatar">
-                            <img src="{{AUTHORS_BIO[author.name.lower()].image}}" alt="{{author.name | title}}" />
+                            <img src="{{author_avatar}}" alt="{{author.name | title}}" />
                         </figure>
                     {% endif %}
                     <div class="post-author-bio">
diff --git a/templates/author.html b/templates/author.html
index 9bc8dcd..50f8865 100644
--- a/templates/author.html
+++ b/templates/author.html
@@ -44,9 +44,16 @@
     <section id="blog-author" class="has-cover" >
         <div class="inner">
             <aside class="post-author">
-                {% if AUTHORS_BIO[author.name.lower()].image %}
+                    {% set author_avatar = AUTHORS_BIO[author.name.lower()].image %}
+                    {% if  author_avatar %}
+
+                        {% if author_avatar|lower|truncate(4, True, '') == "http" %}
+                            {% set author_avatar = author_avatar %}
+                        {% else %}
+                            {% set author_avatar = SITEURL+"/"+author_avatar %}
+                        {% endif %}
                     <figure class="post-author-avatar">
-                        <img src="{{AUTHORS_BIO[author.name.lower()].image}}" alt="{{author.name | title}}" />
+                        <img src="{{author_avatar}}" alt="{{author.name | title}}" />
                     </figure>
                 {% endif %}
                 <div class="post-author-bio">
diff --git a/templates/base.html b/templates/base.html
index 521e4bc..a24ca05 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -65,7 +65,14 @@
   {% if CSS_OVERRIDE %}
     <!-- CSS specified by the user -->
     {% for css in CSS_OVERRIDE %}
-    <link href="{{ SITEURL }}/{{ css }}" type="text/css" rel="stylesheet" />
+
+      {% if css|lower|truncate(4, True, '') == "http" %}
+          {% set css = css %}
+      {% else %}
+          {% set css = SITEURL+"/"+css %}
+      {% endif %}
+
+    <link href="{{ css }}" type="text/css" rel="stylesheet" />
     {% endfor %}
   {% endif %}
 
@@ -110,7 +117,12 @@
   {% if JS_OVERRIDE %}
     <!-- Script specified by the user -->
     {% for js in JS_OVERRIDE %}
-    <script type="text/javascript"  src="{{ SITEURL }}/{{ js }}"></script>
+      {% if js|lower|truncate(4, True, '') == "http" %}
+          {% set js = js %}
+      {% else %}
+          {% set js = SITEURL+"/"+js %}
+      {% endif %}
+    <script type="text/javascript"  src="{{ js }}"></script>
     {% endfor %}
   {% endif %}
   {% include 'partials/analytics.js' %}