Panning
Donnell Gumiran
Slow Motion
Koci
Freeze Action
Erika Kaisersot
Total Motion
More Effective Use of Camera Shake
Paolo Barzman
Same Action, Opposite Movements
Panning
Sung Lee
Freeze Action
Bruno Long
Same Action, Opposite Movements
Panning
Sung Lee
Freeze Action
Bruno Long
I think the panning photograph is most expressive, as the streaked background allows the biker to be the focus subject of the photo. Furthermore, the streaked background expresses speed, something experienced while biking. Also, the high contrast in value allows for a darker, more dramatic mood.
Triptychs
Hengki Lee
Barry Flanagan
Triptych: A picture containing three pictures placed next to each other. These pictures often connect in some way and work better together than as a standalone picture.