
Piping cookies with Royal icing:
http://hwww.sweetsugarbelle.com/blog/2011/07/outlining-and-filling-cookies-with-royal-icing/
Frosting cupcakes
http://decoratethis.blogspot.co.nz/2011/03/cupcake-decorating-tutorial.html
Piping techniques::
http://www.rachaelraymag.com/videos/v/50454897/how-to-pipe-frosting-on-a-cake.htm
Piping a shaped cake:
http://www.wilton.com/decorating/cake-decorating/covering-shaped-cakes-with-buttercream.cfm
Fondant Technique:
http://www.youtube.com/watch?v=vecmy4nKT-A
Fondant on a shaped cake:
http://www.wilton.com/decorating/cake-decorating/covering-shaped-cakes-with-fondant.cfm