Look for the tools there and oyu should be able to find the tracksmoother. Look under this site's articles for useful giga and mega coaster support tutorials. No, there are no tools so far to build better ones. Ok, maybe one. Use a 3d modeler!
and for if you want a tool box, go to http://www.gravimetricstudios.com/index.cfm There can you get the construction kit, and if you pay some cash you get some good tools out of it [:)]