which color temperature settings are best for panasonic plasma tv when playing ps3 ?

i have uncharted 2 and few other games, and they all look fine on my tv and everything, but has a lil tiny fuz around characters head and bodys, hard to explain, and i keep it on gamemode, but i was told that the warm temperature setting is best for for game, also i had to switch the black level to normal, someone help me lol