The Scrolling Game Development Kit has just been updated to version 1.1.0-beta at http://gamedev.sourceforge.net/. The new version includes a new and more interesting sample game than the tutorial project as well as a number of minor bug fixes and new features, especially in regard to scripting support.
*Still* have had almost no feedback on this. I''d be interested to hear if you find this useful or if you plan any projects with it. Also, please tell me if anything is unclear so I can improve the web site and/or documentation.