People can also use video editing software to create these images, such as Adobe Premiere Pro, Kdenlive, OpenShot, or NCH VideoPad.
A more "underground" variety of these image manipulation jokes involves the blending of celebrity faces with nude or pornographic images commonly known as fake nudes, often combined with references to movies, music, magazines and other forms of related popular culture.
Photoshop tennis originated in graphics-related internet forums in the late-1990s/early-2000s, and shares an earlier history with online image games such as SITO's "PANIC" (started January, 1994).
[1] The game was made popular by art director Jim Coudal in 2001 as "Photoshop Tennis".
This process goes back and forth until a predetermined number of rounds have elapsed, or the players otherwise wish to end the game.