Sister's wedding

Anything is welcomed.

Consider a different angle where you can see her ring head-on. His hand looks a little unnatural with the fingers (especially the pinky) spread apart so far.

Really don't like the selective color here. It makes there hands look sickly unnatural when you want to celebrate life.

sad image. It is not everyday that you see two people getting married where both have lost their thumbs. Study other images of this type and copy them until you develop a personal signature of your own.