First of several posts intended to document this job…
/**
* Replace date with description in Vimeography Timber Theme Video Gallery Thumbnails
*/
add_action( 'admin_head', 'custom_timber_thumbnail' ) ;
add_action( 'wp_head', 'custom_timber_thumbnail' ) ;
function custom_timber_thumbnail() {
ob_start() ;
?>
<script type="text/x-template" id="vimeography-timber-thumbnail">
<figure class="vimeography-thumbnail">
<img class="vimeography-thumbnail-img" :src="thumbnailUrl" :alt="video.name" />
<figcaption>
<h2 class="vimeography-title">{{video.name}}</h2>
<div class="vimeography-description" v-html="video.description"></div>
<router-link class="vimeography-link" :to="this.query" :title="video.name" exact exact-active-class="vimeography-link-active">
View more
</router-link>
</figcaption>
</figure
</script>
<?php
echo ob_get_clean() ;
}
Default On-Hover Thumbnail Date Content:

Customized On-Hover Description Content:
