"What are those little icons next to the usernames in the messages?"
There can be upto five icons next to the usernames.
First is the email icon .
You can email that person by clicking on this icon. Second
icon is the INOX icon , which
you can use to send private message. The third icon
is the profile icon . You
can check out user's profile by clicking on this icon. You can also
send ICQ message using the ICQ icon .
clicking on the IP icon will display
the user's IP address IF this feature is enabled by the administrator.