Blending Layers in Photoshop

Open two photos you want to use

Make a background copy of Picture 1

Make sure they are the same size and set resolution to 300 by clicking on Image-Image Size.

Under Document size set width and height.

Select entire picture.-Ctrl A on picture Number 2

Click on Move Tool

Drag picture Number 2 over top of picture Number 1

Rename layer that is created

Working with picture Number 1, Right Click on new Layer you created and go to Blending Options

Move Sliders at bottom of Layer Style window to blend photos

To blend middle colors, hold down Alt key and drag from corner arrow