PHP
<script>
jQuery(document).ready(function() {
jQuery ( function($) {
jQuery(".term .wd-product:nth-child(4)").after("<div class='category-content-img'><img src='images.jpg'></div>");
});
});
</script>
CSS
.category-content-img {
width: 100%;
grid-column-start: 1;
grid-column-end: 5;
}
.category-content-img img {
width: 100%;
}