Edit ICO, PNG, and GIF icons. No really. They're converted with ImageMagick to XPM, a plain text image format with beautiful syntax highlighting in GUI versions of Vim. Here, it's easier just to show you:
And yes, I did say edit. Obviously you're not going to be uninstalling Photoshop anytime soon, but for stupid simple tweaks, it gets the job done.
If you don't have a preferred installation method, I recommend installing pathogen.vim, and then simply copy and paste:
cd ~/.vim/bundle git clone git://github.com/tpope/vim-afterimage.git
Once help tags have been generated, you can view the manual with
See the contribution guidelines for pathogen.vim.
Copyright (c) Tim Pope. Distributed under the same terms as Vim itself.