Yes.

The two Servers are a Domain Controller (and File Server) and the DB server, both running 2003. My Domain Login has access to all the files and directories...

Nope. Came back as "dbo" just fine.

Okay, so after several tweaks and restarts, I have got the Ad-Hoc completely working for any SQL Authorization Account, and will...

Well, deny ALTER doesn't work either.

The Security in SQL Server is completely wacked (i'd use other superlatives, but I don't think they'd be appreciated).

When Adding User/Role permissions to a Database...