The process is simple, but can feel strange. The camera must be in motion for the entire length of the exposure (usually longer than 1/15th of a second). If you pause, start too soon, or end too early, then elements of the image will retain detail, and the clean washes of color will become confused.
Linear patterns, like the fireweed stems I noted above, or trunks of trees, make great subjects for this kind of image. Below are two interpretations of a forest. The first of these images was made

  • Aimer
  • Amour
  • HaHa
  • Sensationnel
  • Triste
  • En colère