Remove prepend: "/" from includes and add to image path's instead

_includes/sidebar.html

@@ -8,7 +8,7 @@
         {% if s.image contains "://" %}
           "{{ s.image }}"
         {% else %}
-          "{{ s.image | prepend: "/" | absolute_url }}"
+          "{{ s.image | absolute_url }}"
         {% endif %}
         alt="{% if s.image_alt %}{{ s.image_alt }}{% endif %}">
       {% endif %}