I added a gallery. Changed to /gallery for images. The group image of the Rebbes is th eoption. So my gallery shows that and your marriage registration (which is correct as you said all images will appear.)
Yours has “show description” . What’s that used for? My image doesn’thave that.
[updated: 12 Jan 2022]
MacOS: 10.15.7 (Catalina)
Safari 14.1.2; Firefox 96.0
PHP 7.4.5 FastCGI; mySQL 5.x