I just finished downloading and installing vim (gvim) on my Mac (Mac OS X 10.5.x to be precise), and then struggling for a while to set the default colorscheme, I thought I'd make a brief note here about how to set the default colorscheme properly.
Setting a default gvim color scheme (colorscheme)
As a friend of mine once, said "It's easy to do, once you know how to do it." For me, that applies to setting a default colorscheme for gvim on Mac OS X.
To set your vim default colorscheme to a theme named "slate", just follow these simple steps: