taiga-front/app/modules/user-timeline/user-timeline-attachment/user-timeline-attachment-image.jade

// timeline-attachment directive
div.activity-image-attachment
    blockquote
        a(href="{{::attachment.get('url')}}", title="See {{::attachment.get('filename')}}", target="_blank")
            img(ng-src="{{::attachment.get('thumb_url') || attachment.get('url')}}", alt="{{::attachment.get('filename')}}")