I was attempting to copy this gorgeous cake http://www.cakecentral.com/modules.php?name=gallery&file=displayimage&pid=1374237 in buttercream. Needless to say, I didn't succeed!!!! In my defense, I got literally dozens of interruptions while I was working on it, so my buttercream had crusted too much by the time I got a chance to try to smooth it. That was only one of the things that went wrong, though. I don't charge for my cakes so, luckily, my friend can't complain!