Here is the latest release of the Skyrim Save editor for Xbox 360.
***[Updated for patch 1.2]***
The Official Website can be found here. http://editor-skyrim.blogspot.com/
1) Download the save editor HERE or use the button below.
2) Insert the USB stick into your Xbox and copy your Save File to it.
3) Copy your save file to your PC.
4) Open your save in the Save Editor & Proceed to edit your save.
5) Make sure you make a backup of your save in case of corruption.
6) Re-sign and Re-hash then save & close the editor.
7) Copy back to your Xbox using the USB.