1st..
you need src edit..
2nd
.....{ },{ atcommand "@newmount"; },{ atcommand "@newmount"; }
3nd
.....{ },{ atcommand "@speed 80"; },{ atcommand "@speed 80"; }
but actually there is item_bonus for speed...you can find it inside
doc/item_bonus.txt
4th
.....{ },{ atcommand "@me Message"; },{ atcommand "@me Messag"; }
just like what nameless told you ~