resolve/refinerycms — comment on commit 96d87bc79779ee344e6b68494351b040393ae1f1
File: images/lib/refinery/images/configuration.rb line 14
By markevans:

ah right I see... the variables that can go in the url format are the xxxx from image_xxxx, so if you have an e.g. image_width column, you can use '/something/:width/blah' in your url format, etc.