Not getting what you need on this page?;^] Please check the JIT DS for more guidance.
Sketchup is by far the friendliest 3D modeler out there ...
... It's free, PC or Mac and intgrates with Google Earth
But that's not why your here, is it?
The useful links [Please arrange a time with me if you want more than self guided study]
-> SketchUp Self-Paced Tutorials
-> Video Tutorials
Remember: I can only make this page better if you leave comments AND hopefully contributions