Manipulating beauty

Go to:
http://www.campaignforrealbeauty.com/
Click on 'evolution'
Play Film

On your blog, post the following:

List the changes that were made to the model's face in the computer.

In your opinion, explain if you think it is ethically ok to change a person's appearance like this in a photo.

Under what circumstances is it worse than others? What types of changes are ok, and what aren't?