Chris, it looks like we have a similar conclusion on what floors the Spak pic is showing, but there's an anomalous feature in the bottom portion of Spak's picture (between the foundation of WTC 6 and Verizon) The best match for that feature I can come up with is that it is bounded on the top by the bottom of floor five and is the windowed area above the promenade and below the louvers on the south side. That doesn't appear to me to match up well with the 12th floor diagnosis. Any comments or thoughts on that?
On the second pic, I recommend Arie's excellent
comparative analysis of the Zafar and NYPD pics. There is indeed damage to the west side @ floors 14 and 15; the angle of the Zafar pic makes it difficult to discern, though.
I'm including a couple of pics below where I've circled what I think may be two similar damage features between the Zafar shot and the Spak shot. I'm not positive, but that's my current best guess on how they match up. Also circled on the Spak shot is the feature between 6 and Verizon I mentioned earlier.
Originals of the two images I'm including can be found @
http://www.webcitation.org/5N4wicTgP (archive of the Spak shot while it was briefly up on his site) and
http://amanzafar.com/WTC/wtc-110.jpg

ETA: I guess if the following floor analysis were adjusted by two floors somehow on the bottom end while ending up at the correct floor at the top, it would match everything up pretty well. I can't figure out the exact issues, though I suspect part of the difficulty is WTC 7's inset position in comparison with the Verizon building. IOW,
these lines from
this analysis are probably not entirely accurate. With all the pics we now have from that general location (including Arie's screenshots) it should be possible to do better, I think.