Burning Footprints

You know that when the Evil Illidan walks or runs he leaves burning footprints on the ground??
How can i make another unit to leave burning footprints?

you'd have to edit the model. But I don't know how, I only know how to make it in max.

The forum search is your friend, it wants to be used by you.
http://www.wc3campaigns.net/showthre...ght=footprints