Mount Chest Mount head Left Foot Right Foot Front Right Foot Back Right Foot Front Left Foot Back Left Foot First Spirte (all the way up to Sixth) Chest Right Chest Left Chest Mount Right Chest Monut Left
I think there is more Combos but thats all i can get off the top of my head.
Attachment Point Names: overhead (floats over the unit's head, but doesn't sway with the head as it animates) head (sways with the unit's animation) chest origin (usually at the base of a unit's feet) hand foot weapon (for heroes) sprite (for buildings) medium (for buildings) large (for buildings)
Attachment Point Modifiers: left right mount (for mounted units) rear (for quadrupeds) first (for buildings) second (for buildings) third (for buildings) fourth (for buildings) fifth (for buildings) sixth (for buildings) rallypoint (for buildings)