Insert on a new layer several more ornaments (grass, for ex.). Pick up the next selections Edit ? Transform ? Flip Horizontal and Edit ? Transform ? Flip Vertical to turn the ornaments over the way it is shown on the picture below.

Spring Planks Wallpaper

Insert the Inner Shadow with the same adjustments:

Spring Planks Wallpaper

We have already represented on the planks the boot sole's imprint, so I've decided to add also the hand's imprint. It's possible to do that with the Brush Tool and downloading a set of ready to use brushes, selected from this address: http://www.deviantart.com/deviation/43973282/ ?qo=3&q=in%3Aresources%2Fapplications %2Fpsbrushes+sort%3Atime+finger

Spring Planks Wallpaper

Create after all these operations a new layer and choose the Gradient Tool with the following adjustments:

Spring Planks Wallpaper

Paint out the layer, the way it is shown below:

Spring Planks Wallpaper

Change the layer's Blending Mode on Soft Light. As we may see the colors look too dimly so we'll just make a copy of this layer and make the Opacity smaller till 70%.

Spring Planks Wallpaper

Paint the new layer also, changing the color and the gradient's type.

Spring Planks Wallpaper