django-simple-templates example of using a custom assignment tag to get a signup form working in any simple template.

gistfile1.mustache

{% extends "base.html" %}
{% load user_tags %}
 
{% block head-gace-js %}
  // paste your Google Analytics Content Experiment JS code here if you're running an experiment.
{% endblock %}
 
{% block content %}
  <h2>Awesome webpage content for businesses.</h2>
  {% get_signup_form as signup_form %}
  <form action='/some/great/relative/url/' method='POST'>
    {{ signup_form.email }}
    <input type='submit' value='Sign up!' />
  </form>
{% endblock %}