[j cAT]

looks like you have a lot of oil on that engine. the casting is damaged but not that bad. since the engine has oil over it when the coolant leaked it will pull the oil off esp if the coolant is hot..

find out where the leak is. it is possible that the valve cover need be removed and inspect this for metal damage at the seal. if the metal is damaged at the cover seal you may be able to use metal mender to form a section to repair the broken section then file down so it is conforming ...