Make three copies now of the layer containing the leafage as for the copies to be placed lower than the basic layer of the leaves. Blur out each of the copies selecting the next filter options: Filter ? Blur ? Motion Blur. Increase the blurring value on each of the new layers:



Combine now all these three layers: Layer ? Merge Down (ctrl+e) and distort them a little with Edit ? Transform ? Distort.



Make the stripes wavier, applying Filter ? Distort ? Wave.



Change the layer's type on Multiply:



Stretch it out in its length (ctrl+t). Then make use of the same method we applied when representing the snails' shadows for drawing now the leaves' shadows:



Then minimize a little the intensity of the basic layer containing the leafage (ctrl+u).



Apply to this layer the next photo filter shown below: