The advantages of a dynamic gallery in Wordpress
On the front side, you can use very spectacular layouts, such as those offered by WonderPlugin, without any programming.
On the stack side, the videos to be displayed come from a playlist whose content you can modify at any time (add or delete or re-order videos) from the Streamlike administration interface. What is posted on your site is constantly updated (hence the term "dynamic"). Thus, the person responsible for the video content remains in his role and does not need to have access to the administration of your site.
The method is simple and illustrated by this tutorial by Laurent Brière (BeTrained Productions):
Here is an example of what you can do:
To know more and see other examples: