searxng/searx/templates/result_templates/images.html

<div class="image_result">
    <p>
        <span class="engines">{{ result.engine }}</span><br />
        <a href="{{ result.img_src }}"><img src="{{ result.img_src }}" title={{ result.title }}/></a>
        <br />
        <span class="url"><a href="{{ result.url }}" class="small_font">original context</a></span>
    </p>
</div>