Photoshop (and other graphics software programs) made photo manipulation accessible to everyone. Outside of professionals, no one has taken to it like amateur internet comedians. We see so much in our daily web surfing, so eventually you'll see a movie screenshot and think, "You know what would go with this picture? This other picture!" Thanks to the folks who have time to do it, we can all enjoy those moments.
Check out a gallery of clever and funny movie scene manipulations at TVOM.
The "Alien' chestburster photo is perfection!
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