Did you know that you could have your Sketchup camera follow a path to create smoother animations? It's not automatic, though. You need to use the Position Camera tool and manually set several views yourself. 

However, we've come up with a great way to trick Sketchup into giving us a smooth animation along a path. Check out Episode #14 (56MB) of the Sketchup show for a tutorial on how to use our Animate on a Path trick.