97 galant with overheating prob and oil light on

[agemm20]

can someone please HELP...
i have a 97 galant ls and it has a problem with overheating, i do know that there are 2 leaks. one is by the radiator and the other is coming from somewhere else im not sure exactly where bc its traveling around the oil filter and too make matters worse ever since it overheated to other day my oil light has been on and i cant figure out why. there is oil in my car and i just had an oil change done....what could it be???