Photo retouching

Our client didn't like the plaid shirt and some of the distractions in this photo.
Move the slider in the photo to see before and after views:

In a big group like this, it's almost impossible to get every eye open and everyone looking at the same place. So we fix any issues in "post:"

This was the only area available for a group shot, but the doorway was a distraction. So were some of the faces:

Our client wanted to see what blue shirts with a company logo would look like:

We were commissioned to photograph several hundred, to possibly thousands of event participants. But because of scheduling conflicts, we had a small group that we had to clone repeatedly to create the larger group. If you look closely, some of the people repeat in different areas of the photo:

Sometimes the smile is great, but the clothing isn't cooperating. Rather than break the flow, and possibly lose the smile, we "fix it in post."

How to get rid of those cars and fix the sky?