Use DRY principle to manage third party javascript libraries. Created script_tags template tags to generate the correct link and script tags for 3rd party libraries. The settings.py file is the only place where the full path name is specified.

{% load markup %}
{% load smiley_tags %}
{% load avatar_tags %}
{% avatar entry.user "left" %}<a href="{% url bio-view_profile username=entry.user.username %}">{{ entry.user.username }}</a>:<br />{{ entry.message|markdown:"safe"|smilify }}