Ok here is my mac specs Processor 2,4 GHz Intel Core i5 , Ram 4 gb ,Graphic NVIDIA GeForce GT 330M 256 MB , 15 inch . mbp 2010 when watching youtube videos my mac gets kinda hot and when playing games like league of legends , mine craft , tf2 , and world of warcraft my mac gets up to 90 Celsius and i have it on my lap and my fans kick off . I want to make my mac much cooler and make it smoother. and i want to get better graphics on it . Any fixes ?