Buttercream.vim is a project mainly written in Vim Script, it's free.
Smooth and colorful yellowish theme
This is a mirror of http://www.vim.org/scripts/script.php?script_id=881
A script which sports a pale yellow background and while it has lots of colors it is still very smooth and usable for long sessions. Screenshot available: http://hakan.prinsig.se/files/images/gvim-buttercream.png