What edits were made on these photos

I know they were edited in photoshop, and taken on a Nikon D7000, do you know what the edits are/ is it part of the lens? What should i do to my camera to make my pictures look like this! Or what is the edit? It's blur, but I tried that, and it doesn't look like this
Thank you!

HERE ARE THE PHOTOS:

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Added (1). ***ETC TO THE COMMENTS***
I have a Nikon D7000!

If you are referring to the blur in the background, it is done by having a shallow depth of field. It is accomplished in the camera not Photoshop. Check out this video by Adorama TV on youtube.

As Kelly said, those photos were not "photoshopped", but sadly you didn't tell us what camera YOU have. Read this, it should help to explain:

DOF - Depth Of Field
DOF is the area (plane) of the photo that is in sharp focus. For landscapes, we usually want a very deep DOF, so that everything in it is in focus. For portraits, we usually like to have the person in focus, while the background is blurred.
So you have a plane that is in focus - and it can be either in the foreground (so the background is blurry) or in the background (so the foreground is blurry).

To achieve a shallow DOF (for background blur and/or bokeh), you need the following (in order of importance):
1) longer focal lengths - the longer it is (i.e.more zoom), the stronger the effect becomes - so 200mm is much better than 35mm
2) distance - a subject that is CLOSE, a background that is further away.
3) a lens with a large aperture (f/1.8 or f/2.8 work best)

Often people ask how to achieve with a small P&S camera, but unfortunately that is not something those little things are very good at because of their VERY TINY sensors. Even some of the better bridge camera still have MUCH smaller sensors than a DSLR does. However, given enough zoom, many of them can still get there to a certain extent.

If you have manual controls, use the biggest aperture. If you don't, try setting it to the portrait setting which makes the camera choose the biggest aperture it is capable of. Make sure there's some distance between you, the subject, and the background. You can also attempt it on Macro setting - that may work to a certain extent.

For further reading, check out this Wikipedia article: http://en.wikipedia.org/...h_of_field
And here is a website with really good examples: http://www.althephoto.com/concepts/selectivefocus.php