Here you could configure Userlist, Video Layout, Userlist Menu Mode and Themes.

1. UserList:

Default Userlist Position
It defines the default position of the userlist in the chat client, Left or Right.
Default Display Userlist
It defines the default display userlist or hide.
Default Avatar Type
It defines the default avatar type in userlist: small avatar and large avatar.
Default Userlist Sort Order
It defines the default sorting order of the userlist in the chat client, sort by user level, sort by A_Z, sort by Z_A, sort by Gender, or sort by Video.

2. Video Layout

Default Video Window Mode
It defines the default video window mode, whether pop up or dock the window when open a video chat window.
Default Dock Position
It defines the video windows positions, whether dock at left, right, bottom, top or in a popup window.

3. Userlist Menu Mode

Userelist Menu:
It defines the default mode of userlist menu: popup menu and advanced profile panel.

4. Themes
What are themes? It’s the way that all messages are displayed in a chat room, and it helps building your unique style.
There are altogether 10 themes available: classic, bubble, point line, plain rect, serene, gradient rect, orkut, gradient bubble, clover and sunset glow.
Please click the drop-down menu after Default theme name to choose a default chat theme for all of your chat users.

Large Avatar: Display large, small or no avatar at all.
Single Line: Display the message in the same line with the username, or start a new line