please help me with triggers

please help me with triggers

u know the special effect thingy
create special effects attached to the **** of ****
using ****
well i need the first **** like how do i attachto head or chest or feet etc... PLEASE HELP ME

Special Effect - Create a special effect attached to the head of (Triggering unit) using Abilities\Spells\Other\TalkToMe\TalkToMe.mdl

or

Special Effect - Create a special effect attached to the left food of (Triggering unit) using Abilities\Spells\Other\TalkToMe\TalkToMe.mdl

or

Special Effect - Create a special effect attached to the right food of (Triggering unit) using Abilities\Spells\Other\TalkToMe\TalkToMe.mdl

you can attach special effects to the following parts:

overhead
head
chest
origin
right hand
left hand
right foot
left foot
weapon

and on some models...

mount
chest mount
mount left
mount right
right front
left front
right rear
left rear
head mount

if there are more, then I don't know about them.