When you first apply to join the forum, you will have to wait a while to be approved. Just be patient.
Once you are a member, don't forget to check the calendar(s) for session times. Sessions are held on different platforms, so be sure to find out where the session will take place:-
LEN English sessions:-
Listening Practice 24/7
English radio playlists on Discord.
You can write a caption, write about how the photo makes you feel, or simply write a description of what you can see in the picture.
If you want to really push yourself, try to make up a little story.