Actually there is a lot of differences between the GE and PW engine nozzle.
But to let pictures do the talking I submit 2 images,
GE-Nozzle
Blk 52 TB Pratt & Whitney Nozzle
[2008-10-22] Virtual Thunderbirds - Live at VFAT 2008
Nice
Nice pics and I agree with Joker these are great!
VFAT 08
Thanks Whack, that was the answer I needed.