So you can make also a pull with woodknot! :)
But forbidden for smoking people :D

A cool prog for Knot : http://pagesperso-orange.fr/hypatiasoft/index.html
+ free cool transformation image "online" (page bottoom)
Charger une image = Load image
Sauvegarder une image = Save Image
(when you save image write "my_image.jpg" (jpg necessary !!!)
For close the prog close the Web page !

With your image and the free transformation "online":)