ok, it's STILL not working. I just upgraded to vtray 1.04, also. here are the commands I'm currently using(taking into consideration vendicator's post). thanks everyone for your help.

LabelArrowLeftOnLeftclick !systrayScrollIcons prev

LabelArrowRightOnLeftclick !systrayScrollIcons next

SystrayWrapCount 3
SystrayWrapDirection down
SystrayDirection right