How to have images from posts show up within the body of the post instead of just the thumbnail?

<p>Version: NodeBB v4.7.0.<br /> Theme: Harmony</p> <p>I am looking to have the images of the post show up within the body of the post rather than just the thumbnail</p> <p>eg: <a href="https://activitypub.space/topic/fc95d9b0-f70e-440b-9f81-9f280465d3f2/if-anybody-is-interested-using-fediverse-observer-i-just-pulled-this-mastodon-servers-filtered-by-active-users" rel="nofollow ugc">https://activitypub.space/topic/fc95d9b0-f70e-440b-9f81-9f280465d3f2/if-anybody-is-interested-using-fediverse-observer-i-just-pulled-this-mastodon-servers-filtered-by-active-users</a>.</p> <p>At the moment it shows in the OP of this thread: <a href="https://caint.ie/topic/5110359c-9fd7-40ae-b144-9b77380f8d86/what-would-yours-be" rel="nofollow ugc">https://caint.ie/topic/5110359c-9fd7-40ae-b144-9b77380f8d86/what-would-yours-be</a></p> <blockquote> <p><em>This post did not contain any content.</em></p> </blockquote>