I think this mod is where it's at, too. If you're looking for something like it, try http://forum.kerbalspaceprogram.com/index.php?/topic/124069-105-harder-solar-system-kopernicus-v120-112015-axial-tilt-and-more/. If you use stock scale, it changes the Kerbol System to look a little more like this mod (axial tilt of Kerbin, munar inclination, etc.).