"Here is a link to a very informative video we produced that goes step by step how to properly froth and steam milk when making cappuccinos and lattes. Click Here
Here is a link to a well written article, by Aaron De Lazzer, on the finer points of frothing milk. Aaron's article not only explains the proper method to stretch then texturize your milk but it also includes several images. Click Here
Here is an article written by David Schomer on ""Milk Texturing Basics"" which is a must read for beginners. Click Here"