Here is a brief tutorial on how to customize logo for each chat room.
1. Enable Custom Room Logo Globally.
Login admin panel-> Client Settings-> Room Logo
The room logo upload/download address can be left empty. The max upload file size of image is 5120 KB.
2. Room Logo Setting Per Room
Login admin panel-> Room Settings-> a specific room-> logo, here are eight logos for you to choose. And also you may customize the room logo: using a web image or uploading a local image. Preview and save it. All pictures will be compressed within size 48 pixel*48 pixel automatically.
Refresh browser and check your room logo in the room list, and also within the chat room.