Hi Mustang,
Welcome to the world of WinMX,
on a robo2.06... 2.07... 2.08 are the same for setting entry and exit messages, in the top menu click "View" in a drop down menu select "options" on the left sellect "mesages" then that shows you on the right "entry" & "exit" messages, under them are the now playing messages when using winamp & plugin, change what you like and click OK button at bottom.
normal variables are:
%NAME% - Username without ID
%RAWNAME% - Username with ID
%FILES% - Number of files shared
%LINE% - Connection Type (T1, DSL, Cable, etc.)
%IP% - IP of user (only admins can see this)
%IPBRACKETS% - IP of user (only admins can see this)
%HOSTNAME% - Hostname of users (only admins can see this)
%STAYTIME% - Time in minutes/seconds user is in the channel