3Defy is a great demonstration of the most recent in Flash programming.
This is a site that lets you add 3D effects to 2D photos that you upload or link.
You can try to create your 3D images using modeler from here.
Upload your image and use Select for your face or Erase fro background.
Use mouse wheel to increase or decrease the active area.
Use Save or Share buton to use it.
Let's see the result ...
Nice !