I don’t think so. You only have to be TL2 or TL3 to embed videos, images and clickable links. But, even TL1 can post links to videos and images. You just have to paste the link in your post, select it and then click the </> button on the Reply Editor toolbar.
Like this: https://i.imgur.com/6PIA4Ul.jpg
This is the syntax:
`https://i.imgur.com/6PIA4Ul.jpg`Check out the New Forum Guide - Syntax & Features