This is a park-n-grab once you figure it out. And when you figure it out, you'll know it, so no checksum is needed.
Edit:
Congratulations to LuckysGirls on the FTF!
Now that it has been found, a helpful tip or two:
- Don't come here until you know the secret. There's nothing to see or figure out at GZ.
- I listen to the PodCacher podcast pretty faithfully...