Relative rating:

white: rating = lowest,
black: rating = current maximum rating
yellow: no pictures to fill the row

The collection is mapped chronologically, as they were added to the collection. At the top left are the "oldest", at the bottom right the newest pictures.
There are 250 pictures per row. Each picture is represented by a vertical stripe in the row. The darker the stripe, the higher we rated the picture.

Relative overall rating
(our rating + visitors response):

Overall rating is a combination of our rating and the number of user picture views (for each picture).

This graph shows differences between our rating and visitors response (high res views) for each picture. dark = we rated the picture high und user response is low
light = low rating but much user activity
gray = balanced relation between our rating and user response