You can check the demo for vertical youtube playlist module here . Youtube playlist horizontal and vertical are same module with different orientation .

 Custom YouTube PlayList : Joomla Custom Youtube Playlist is a  very awesome and useful module,by this module you can show  youtube videos in your website.You can create your own playlist and show in into your website by just providing playlist id.  



Backend Snapshot 

Features :

1 - All browser compatible.
2 - Add Number of custom youtube List
3 - Add Width and height (Full configurable).
4 - Thumbnails option
5- AutoPlay Option
6 - FullScreen Option7 - Horizontal / Vertical display 
For any query or issue please create a support ticket here http://webkul.com/ticket