2003 impala head gasket installation

HEY EVERYONE, i am in the process of changing the INTAKE GASKETS on my 2003 impala 3.4, i would like to also change my head gaskets while i am breaking it down, what are the next steps in reaching them once i get the lower intake off,i would appreciate any help and pics if anyone has them, i have the haynes manual and printed advise from other automotiveforum users as a guide...thanks in advance bobbyboy-g