Ghosts

One of the entries to the "Blur" challenge at Nikongear caught my eye. The image is called

Ghosts:

This image is copyright by intruder61 2010. Click through the image for a larger version.

The image captured a high dynamic range scene with colorful elements. The blurring concentrates the image on the light/contrast and the colors as it takes away the details of the scene. The persons in the foreground appear as ghosts moving along.
A very nice example of what you can achieve with blurring.