User blog comment:Harbumz/Introducing Vignette, Wikia's New Thumbnailer/@comment-452-20150212014153

Is this why the images in Template:Cc-by-sa-3.0 are broken wikia-wide?

edit: fixed url.

I never knew about "600x200x10-imageName.jpg", and "v,000000,600x200x10--20,600,10,100-imageName.jpg"

In what circumstances were these used? Are these documented anywhere?