https://pinboard.in/u:tonyc/public/ recent bookmarks from tonyc 2006-12-29T04:41:15+00:00 http://toolmantim.com/article/2006/9/12/generating_cropped_thumbnails_with_acts_as_attachment tonyc rails acts_as_attachment ruby plugin images attachments cropping https://pinboard.in/u:tonyc/b:551286cdd205/