To avoid confusion, when you view twitter, the long list is your feed, you don't want that, click on the tweet you want, it'll pop up, that's where you find the link as described below. You'll also find a video showing you below the twitter feed.
Grab a twitter link out of the address bar or in the drop down of the tweet in the upper right corner marked follow - click the arrow not the follow.Once you have the link paste here, add text above or below it, images too, videos if you want, and you're done.
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https://twit.ter.com/SirPatStew/status/1044244216677912576
(had to dot the twitter as the code caught and converted even though I put it in code brackets???)
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https://twitter.com/SirPatStew/status/1044244216677912576https://youtu.be/O3i3oCUAtB8