Easy Blending
Okay, I’ll be using two photos of Lauren Steil and Sommer Ata.

First, open and 800x800 document with the ’Transparent’ box checked. Then paste the two images you want to blend on different layers. (Ctrl + L)

Then position the images any way you’d like. Make sure part of the top image is overlapping the image underneath it.
Now, take your Freehand Selection tool, and match your settings to mine:
Now, just trace around parts that you would like to get rid of. Make sure the top layer is selected. Press the ’Delete’ key a few times until you get the image how you want it. Try not to go too close to the people on the top layer, because you might end of deleting some of them!
Now, you can merge all your layers, and your done! Here’s how mine turned out:
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