Sunglasses Reflection

In this tutorial we'll create illusion of front scenery through lady's shades.

Start by opening an image in which there's someone wearing shades.

Open another image which you want to show through the shades.

Drag the image to the main file.

Press Ctrl+T to transform the image layer and resize it so that it stay's nicely on the lady's sunglasses..
Hide the image layer and make the selection of sunglasses using lasso tool.
Press ctrl+alt+delete to feather the edges. Use feather radius 1 pixel.
Select image layer and enable the visibility from layer pallete.
From layer menu select layer mask>>reveal selection.
Change the color mode to linear light from layer pallete.
From image menu select adjustments>>hue/saturation.
Use settings as shown.

Duplicate the layer, change the color mode to linear dodge and opacity to 50%.
Here is the result where we have shown the front scene through lady's shades.