Need help. Do these photos look super dark?

On my computer they look fine but on my mothers computer they seemed really dark. Now I am concerned that maybe my setting are wrong and when I am editing pictures I am making them super dark when I think I am actually lightening them.

Nope they look fine to me.

They're dark for me.

The last one looks a little dark, but the others are fine.

Quoting shes.so.vain:" The last one looks a little dark, but the others are fine."

  

They are all pretty dark. You can lighten them and adjust the clarity and positioning a little bit on each of them.

Thanks for the help.
The last one has been lightened, it was super dark, but for some reason it looked darker the the original on my mother computer.