Today I created a few curves presets to be used in lightroom: Curves.zip
To use them you just need to unzip the file into C:\Users\<YOUR USERNAME> \AppData\Roaming\Adobe\CameraRaw\Curves and restart Lightroom.
Most of them can be used to give your pictures a special toning:
The first 8 are S curves (or inverted S curves) based on the color chanels. The naming pattern means that the color in upper case letters is boosted in the highlights and reduced in the shadows. Here are some samples:
And there are a few other “creative” presets: