The First Age

Hi guys. How do you put pictures on the top of your posts like you do in shared posts? I figured out how to attach an image and insert the attachment into the post, but not sure what to do next to make it look right. Can someone help?

[attachment=23]

use this link: https://thefirstage.org/forums/attachment.php?aid=23

use

Great! 
How did you get that link??

just clicked on the attachment above and too it from the url box

That's great! Thanks!