Today I did more lynda.com Photoshop for Designers: Shape Layers.
Chapter 4 – Working with Custom Shapes
Creating your own custom shape.
With this video I learned how to create a custom shape out of scratch. (before & after)
Creating a custom shape from an Illustrator symbol.
This video talks about how to get symbols from Illustrator and use them on Photoshop. (after)
Creating a custom shape from an Illustrator Live Trace object.
Watching this video I learned how to create a new custom shape using the Illustrators Live Trace option.
(before & after)
Conner's Blog 
Good work.