takahe/templates/activities/_post.html

{% load static %}
<div class="post">

    {% if post.author.icon_uri %}
        <img src="{{post.author.icon_uri}}" class="icon">
    {% else %}
        <img src="{% static "img/unknown-icon-128.png" %}" class="icon">
    {% endif %}

    <h3 class="author">
        <a href="{{ post.author.urls.view }}">
            {{ post.author.name_or_handle }} <small>@{{ post.author.handle }}</small>
        </a>
    </h3>
    <time>
        <a href="{{ post.urls.view }}">{{ post.created | timesince }} ago</a>
    </time>
    <div class="content">
        {{ post.safe_content }}
    </div>
</div>