*sigh*
To autorun...
bindAction(keyboard0, make, "[key of your choice]", TO, IDACTION_MOVEFORWARD, 1.000000);
To autofire...
bindCommand(Keyboard0, make, "[key of your choice]", TO, " postaction(2048,IDACTION_FIRE1,-0);");
To say something (like #sleep)...
bindCommand(keyboard0, make, "[key of your choice]", TO, "remoteeval(2048, say(0, \"[what you want to say]\"));");
Put those in <TribesRPG>\config\autoexec.cs
And it is in the Newbie Guide, you know.