Theme Change the look and feel of the chat.

Custom Background Upload your own background for the 'Custom' theme.

Text Size Adjust the base font size for the application.

Window Transparency Adjust transparency for themes that support it (e.g., Win7, XP, Custom).

Hide Images Don't load images sent in messages.

Hide Events Disable special events like daily fireworks.

Fullscreen Mode Toggle a distraction-free fullscreen view.

Blocked Users Messages from these users will be hidden.