Hate
The World Trade Centers are a symbol for many Americans of tragedy, death, and more importantly hate. When people see this picture, the immediate thought is usually of terrorism and the middle east. It gives us feelings of hatred towards terrorists and people such as Osama bin Laden and Saddam. This symbol could be used as a motivational and persuasion tool for showing why America needs to fight terrorism.
Hope
The third picture (the one with the cross), as well as several of the other pictures, symbolizes a chance at a new beginning. The light shining through the clouds is a ray of hope that lets us know that the past is the past and the future looks bright. This picture, because of the cross and sky, is probably mostly viewed as a symbol for hope by religious people who believe in God.
