Did you even read the article?  This isn't a visual scripting environment, it's an intuitive way to use Python to do image processing.<p>Edit: here's a paper with examples. <a href="http://groups.csail.mit.edu/uid/projects/sikuli/sikuli-uist2009.pdf" rel="nofollow">http://groups.csail.mit.edu/uid/projects/sikuli/sikuli-uist2...</a>