I love this photo. I got this poster in high school, I've had it up most places I've lived, it's now stuck up on my wall.
I'm a little embarrassed to admit, I just noticed they photoshopped her left arm out of the picture.
Now that you've gone back to take a peek, you see I'm correct. At the angle her left shoulder is at, it's impossible for her arm to be anywhere but directly behind their kiss. Which it is not.
I get that the kiss is a pretty important part of the picture, but enough to cut off her arm? Quite the sacrifice, earned my respect.