Some VFX for a tv spot
For CSI NY, they key was only to play with the letters, introducing them in different shots of New York from the episode and giving it a "city look", as shown below:
PLACING TV LOGO INTO FOOTAGE
The director had the idea of usig the "crime sphere" that the characters used in this tv show, to recreate their tv logo by placing a second small sphere next to it in three different shots from that episode.
CSI Las Vegas, the spot shots: