a great way to do penny floors without the permanence. do penny tiles, then tile the floor vs the penny and then lacquer on the floor itself. tutorial on how to make a pennies floor. most people that first see it don't realize that it's pennies.
office/guest bed arrangements - great for a spare room for overnight guests. Not sure about this one as it looks a little bulky compared to some of the others, but it does show the bed/desk action quite well.