All you have to do is just write a comment in this topic, attach the replay and add a link to your screenshot. You can use the following structure:
Players:
Version:
Horde map:
Difficulty:
Faction/factions:
Points:
Screenshot:
[Note, if you want to write something about the game]
Let's give an example: If player Leia (Angmar) and Dumbledore (Isengard) play in version Edain 4.5.1 the map Minas Tirith on difficulty hard together, then one of them writes the following comment:
Players:Leia and Dumbledore
Version: Edain 4.5.1
Horde map: Minas Tirith
Diffculty: hard
Faction/factions: Angmar and isengard
Points: 23.198
Screenshot: https://i.ytimg.com/vi/jcF-1AoDO18/maxresdefault.jpg
First time, easy game. EZ
(Replay as attachement)