Underwater is a project mainly written in Vim Script, it's free.
An easy on the eyes dark blue theme
This is a mirror of http://www.vim.org/scripts/script.php?script_id=2977
A port of my theme for Komodo, this theme is past-midnight coding friendly: http://imgur.com/iEBiU.png
I do tweak it sometimes, so check back here now and then.