STEP BY STEP Crafty composites
1 Blend your layers
Load the files into Adobe Bridge. View them as a grid of images, 10 columns wide. Select the first column. Go to Tools>Photoshop>Load Files into Photoshop Layers. Go to the Layers Panel, shift-click between the top and bottom layers and set the Blend Mode to Darken.
2 Tidy things up
Hide a layer if the planes overlap. To tweak the position of a plane, nudge it with the arrow keys. This will misalign the layer, so make a rectangular selection around the plane and click on the Add Mask icon. When happy, go to Layer>Flatten. Repeat for the next column in Bridge.