subfuzion

... oh, and I almost forgot ... I would LOVE to be able to have a numbered stamp tool (instead of showing icons, it shows a number that can be used when referencing it in a document)! :-)

As I software developer, I've gone through many diagramming and presentation tools, and I have to say that I find how expressive and lightweight skitch is to be refreshing and empowering. I long ago abandoned UML for the simplicity of whiteboard sketches and various other approaches that convey ideas simply and effectlvely -- easy for others to digest and remember, and easy for me to create. I appreciate the effort being made to keep skitch as lightweight as possible and to preserve a consistent cross platform experience. I also don't find it especially onerous to use the marker to fill boxe