{% if something %}
  Cool
{% endif %}
{% ifchanged something %}
  Changed
{% endifchanged %}
{% ifequal something "booya" %}
  Equal
{% endifequal %}
{% ifnotequal something "blamo" %}
  No Equal
{% endifnotequal %}
{% ifchanged something %}
  Changed
{% else %}
  No Changed
{% endifchanged %}
{% ifequal something "booya" %}
  Equal
{% else %}
  No Equal
{% endifequal %}
{% ifnotequal something "blamo" %}
  No Equal
{% else %}
  Equal
{% endifnotequal %}