lol Maths huh Zhann ;) Basically, among other things this removes any obvious outliers which might be having a disproportionate effect on the ranking. As an example, say an image has 7 rankings. 6 of them ranging from Almost There to Great, and one score of Hmmmm. This new method takes the Hmmm comment out of the equation when calculating the overall ranking, which better reflects the opinion of the majority of those who gave a ranking. Make sense?