Select the Gradient Tool and paint the leaves' lighter part on the grouped layer:

human statue

Change the layer's Blending Mode on Overlay and set the Opacity on 77%.

human statue

Now we have to make the corrections on the girl's layer color, selecting the next command: Image ? Adjustments ? Selective Color.

human statue

Download now a set of ready to use brushes with cracks (find them here: http://www.deviantart.com/deviation/32549115/?qo=20&q=by%3Aanarasha-stock&qh=sort%3Atime+-in%3Ascraps). Try to make the stone's transition to the statue's body looking more natural:

human statue

Select again the Gradient Tool to insert the light on the girl's body on the grouped layer and change the layer's Blending Mode on Soft Light:

human statue

Insert on a new layer the texture of an old paper:

human statue

Turn it over, using next combination: Edit ? Transform ? Rotate 90 CW and change the layer's Blending Mode on Color Burn.

human statue