It is compatible on ESO, but it is ONLY for Warchiefs and it may cause slight lag.
Delete units and effects folder inside c:\program files\microsoft games\age of empires 3\art
if they are there.
Copy my folders into the art folder.
Make sure high poly is enabled in help and tools - options - graphics
Uninstallation / Trouble:
Remove units and effects folders under art folder
Many units that receive none through imperial upgrades did not change
appearance. This fixes that problem an adds a highlight for
some specials like blue tipped spear to show when cheyenne riders have
bonus vs other cavalry. (see Jan. 26 below)
January 26, 2007
Added some new ideas besides just imperial changes...
23610 anti-bldg guerilla sharktooth (blue tips black bow)
45379 cheyenne fury anti-cav (blue tipped black spear)
45385 apache ranged cavalry raiding anti-vill (blue rifle)
46825 assassins (blue knife)
47196 advanced scouts (aymara changed to miskatonic scout)
43695 anti-artillery battle anger wc siox (golden spear)
44085 anti-bldg town destroyer wc iro (black outfit, white arrow symbol)
HCXPAdmiralTromp for 2 x hp fluyt look (gold cannons and dutch sails)