Since I've played with it a little bit on Windows, may I also suggest a way to Zoom in / Zoom out of the editor, to make it easier for us to place objects on the sprite, when we have large screen resolutions? (I'm running at 1920x1080 resolution, and it makes placing new pieces hard...)
Hey, it says "W: Forward" and "S: Backward" on one of the screenshots; that's not referring to zoom, is it? It could be animation, too - I haven't checked the program out, yet.
