Okay, I was not quite pleased with the last beautiful photo of Lily because, by raising the brightness and contrast, I also completely blew out all detail of her hair in the sunshine. This is where we left the photo:

It was kind of nice because the white halo made her look like an angel in the light, but I really wanted to turn the brightness down for just that part of the picture. So I experimented with the Photoshop burn tool, and this was the result:

At last, I am completely happy with the photo. Photoshop now officially rocks my world.