gold

gold for killing normal units...( units that can be trained for exaplme undead)
gain from 25-40 gold

Your question is?

how do i get that to work

My god, we've answered this question at least 5 times in the past two weeks. read this thread http://www.wc3campaigns.com/showthread.php?t=61775

Incidentally, if you want to use new skins in a RoC map, import the skins using WinMPQ or some other MPQ program instead of the import manager.