how can i add dynamic lighting post here
how can i get such vibrant colors in photoshopcs4
to look like these are???









how can i get such good quality from colors like that and effect

try playing around with adjustment layers like color balance, gradient map etc. you might also want to add a layer set to overlay and brush in colors with low opacity and a soft brush in order to create smooth colorful gradients or how you call it "vibrant colors".