kaisers pic is awesome to be sure
It's really a stunning pic and altough there are real people in the background
it has the same feel as these http://little-people.blogspot.com/
That's because the background and foreground have been blurred in photoshop. I'd love to see the shot as it was taken and before the 'trickery' as I think most shots look better without...
Its a process called tiltshift. And is normally done mechanically rather than digitally. Though this pic was done digitally though not with photoshop.
Debatable I suppose where to draw the line. For me I'm using a digital process(using a digital camera) to replicate an analogue one should I stop before I mimic tiltshift?