How to Create a 3D Leaf from a Texture Photograph - Screencast
"In this beginners level tutorial, you will learn how to create a vibrant 3D leaf compilation from a single 2D photograph. You will be able to manipulate the object however you prefer. Let's have fun with this display of greenery!" Brent Nelson
Here is a link to the written version of the tutorial How to Create a 3D Leaf from a Texture Photograph and the video version is below.