Venture Fourth? or Venture Forth? hmmm, that could be my typo.
as for OmnibandTK you can find all the files you need and install instructions here..
OmniBandTK Files and alot more..
Get the files listed in this readme file..
Install Instructions
It's fairly straightforward. KAngband is my favorite, I even made some new scenario's for it. (included in the download)
Enjoy!
