Photography Question

[rooftopscandal.livejournal.com]

I've been wondering for ages about how to get that soft, peachy, almost old fashioned look in photos... anyone willing to share the secret? Example below the cut.




(http://www.flickr.com/photos/unicorndoll/)
I couldn't find any more examples at the moment, although I have seen this around everywhere.

p.s. Here are a few necklaces I've made recently so this isn't just a question.