I thought the Palestinian picture was some sort of West Side Story performance at first...
I'd vote for the Kerry + curtains picture; Kerry looks utterly alone, rejected, and unhappy.
The Bush pictures are quite cute, but can't read a lot of meaning into them... unless you want to use the umbrella as a metaphor for holding onto his presidency during the tough campaigning. The concession picture of Bush by his desk is odd, you'd think he would've been more happy.
Moore's picture of him grinning hugely can be considered "most ironic". Pride goeth before a fall.
Where is the "victory" photo? He won an election with global opposition. A phone call? This is it???
Chased by a bug?