This is a basic rich page with colocated assets and basic taxonomy.
Using Zola's image-processing tools
<div>
{% for asset in page.assets -%}
{%- if asset is matching("[.](jpg|png)$") -%}
{% set image = resize_image(path=asset, width=240, height=180, op="fill") %}
<a href="{{ get_url(path=asset) }}" target="_blank">
<img src="{{ image.url }}" />
</a>
{%- endif %}
{%- endfor %}
</div>