Create now a new layer again and download a set of ready to apply brushes of smoke shape (http://www.deviantart.com/deviation/29341959/ ?qo=12&q=by%3Afalln-brushes &qh=sort%3Atime+-in%3Ascraps and here: http://www.deviantart.com/deviation/29341741/ ?qo=13&q=by%3Afalln-brushes &qh=sort%3Atime+-in%3Ascraps) and apply them on the picture:

the scream photo effects

Change the layer's Blending Mode on Screen.

the scream photo effects

Insert on a new layer a photo having pictured on it the grass (ctrl+v):

the scream photo effects

Apply the Color Range to mark out and move off the sky:

the scream photo effects

Create now a mask out of this layer: Layer – Add Layer Mask – Reveal All and choose the Gradient Tool of black color with a strong picture's approaching, hide the rest of the sky's zones and turn over the picture horizontally: Image – Rotate Canvas – Flip Horizontal:

the scream photo effects

Apply the next combination Layer – Remove Layer Mask – Apply and make the corrections on the grass' layer colors: Image – Adjustments – Selective Color.

the scream photo effects