Here is a tutorial on how I curl my hair (with extensions in). I only did one side but it's still longer than I intended so feel free to fast forward if you want. =) Surprisingly, the way you curl hair is not something that stays the same - it is ever changing with the fashion world and the hairstyle of the present. Currently, one popular look is what I have heard referred to as "mermaid" curls: long, loose and more wavy looking. That is what this tutorial will show.
Youtube is your friend for learning how to achieve different looks or curls. =)