Hi, here's the screencast based on the GUI layout section of the Pharo book. http://pharocasts.blogspot.com/2010/06/proportional-layout.html I found a better (but not perfect) tool to edit subtitles on Linux: Jubler http://www.jubler.org/ , it's cross-platform. See http://www.my-guides.net/en/content/view/105/26/ Cheers, Laurent Laffont http://pharocasts.blogspot.com/ http://magaloma.blogspot.com/