I learned that it is a whole lot easier to use an external mouse in SketchUp. Also, once you get used to using the rotate tool and how the program works it is really easy to make cool stuff. There are so many different tools in Sketchup it can take a bit of time to get used to but once you do it is really easy to make almost anything you want. There are so many things that you can do with SketchUp and it is really limited to your imagination, and if your good at using it.