DC-DC Power Supply Mod
Part 1 - Supply List
Part 2 - Circuit
Part 3 - Transformer
Here's the diagram:

If you have any questions about building the circuit or winding the transformer, you can contact me at arby@tamu.edu
Many thanks to PressLab, the man that came up with the idea and created the diagram. If you have any questions about how it works, you can contact him at presslab@hotmail.com