Cut out the flowers:











Introduce the cut flowers on our basic picture, making copies of them and using the Free Transform option to change the sizes of the copies:

 

 

 



Press Ctrl button to mark out all the layers containing the recently added flowers and press Ctrl+E (Merge down in a single layer). Press on the next option on the lowest part of the layers’ panel: Create new fill or adjustment layer>Curves

 



Keep pressed next step the Alt button and make a mouse’s click between the layers with Curves effect and the combined layer containing the flowers (on the layers’ panel) for the effect to be applied only on the flowers’ layer:

 



Choose now the Brush Tool (B), Opacity of 30% and white color on a new layer (Create new layer) on the lowest part of the picture (the brush must have blurred edges):



Find in Internet a picture of butterfly:



Cut out the butterfly and introduce it on our picture. Use the Free Transform option to change the sizes of the butterfly and its incidence to get the same result as it is shown next picture:



Make two copies of the butterfly’s layer and apply for the copies the next combination of the buttons: Ctrl+U. We have to change also the color on the copies. We’ll make also several corrections on their sizes and on their incidence, selecting previously the Free Transform option:



Finished!

View full size here.