Comments: 3
You have to copy it from the thread where Moonlight posted it, save it to your computer, and then upload it into your post via the green "upload" button below the form / field in which you actually create your post.

ETA: Your card is here:
http://booklikes.com/thread/3937/halloween-bingo-2018-request-your-card-here?p=6#thread-post-36696
Bless you; I knew I was forgetting something.
You're welcome!