Get alot of headshots with your sniper or alot of quickscopes that are very good
Try to find uncopyrighted music for a montage that you'll be putting up on Youtube. :) (Don't know any great ones on the top of my head) And it all depends on your taste in music.
they will some times use decoyes but they just mainly hide them selves so they cant be seen
Well, they don't need a name, in some short stories, they don't use names. hope this helps =]
The Sniper places his hat on the muzzle of his rifle !Legit answer.