Some good points, but I've got some C&C if you're interested.
#1. The sky has lost detail...that's OK because you have good exposure on the couple and they are in a nice back lit situation. But since the sky is gone...why is there so much of it in the photo? You even cut off the bottom of the dress. I think this one could be better if you crop a good chunk of that sky off the top, but it would have been better if you had just adjusted your angle to include more dress and less sky.
Also, I don't like how he's having to lean over so much. They are getting marries (or just did), they shouldn't look like they're afraid to stand close to each other. On a similar point, their close hands are both idle....they should be holding/touching each other as if they are in love. Sometimes you need to encourage them to do those little things for the sake of the photo.
#2 is fun. It's pretty green but I guess you processed it for that effect.
#3 is a great shot, well done. It could maybe benefit from cropping a little bit off the bottom.
#3. I love the pano format for this shot. Great idea. But the thing that stands out to me most...is that there is a tree growing out of the bride.