I've spent two evenings making this skin gotham compatible up to the level that I use it.
I'm not a graphical designer, so don't ask to change any graphical bits. I've done the bare minimal to get it running on gotham without too many errors.
If you run into problems feel free to let me know and I might take a look at it.
Just don't expect too much, I'm really just scratching my own itch here :-)
Much kudos to niamu for creating the skin and DjCisco for his BOX13 fork of nbox (I backported some of his changes here)
You can download the final version here.