Right click --> Copy Image Link OR Open Image in New Tab.
The link you need is the one ending in the image file type, usually .png, .jpeg, etc. In the image you posted the direct link is
https://i.imgur.com/RlopjUL.pngCode
[img]https://i.imgur.com/RlopjUL.png[/img]
The above code will result in the image being shown in your post.