Skin « Humans « Flash Tutorials

1. Alpha/Onion Skin : Flash Tutorials -- Absolute Cross    absolutecross.com

2. kirupa.com - Skinning a Scrollbar    kirupa.com

3. Free Flash Tutorials - Onion Skin    knowflash.com

4. Spoono - Flash Tutorials - Alpha/Onion Skin    spoono.com

5. How to Use the Onion Skin | Flash Tutorials    webdesign.org

The fourth option down there gives a few choices when selected. What this does is just to set the number of frames to "onion skin" to either the last 2, 5 or all.

6. Onion Skin | Flash Tutorials    webdesign.org

10. Using Onion Skin, drag the first 3 frames very near to each other with rotate command. Compare the final output of the animation.