GNU GPL licensed alphabet icon set

[Lukas Zapletal]

Hello,

our project is looking for a simple GNU GPL v2 (or compatible) licensed
icon set with simple icons of all latin letters. Ideally each letter in
a circle or square with different background colors for each letter.
Something like:

http://www.iconarchive.com/show/multipurpose-alphabet-icons-by-hydrattz.html

I'd prefer something simple that looks fine in tiny variants (21x21 px).

Now, does anyone have a snippet or hack how to generate this with
ImageMagick/GIMP/anything from Fedora?

Thanks.

-- 
Later,

 Lukas "lzap" Zapletal
 irc: lzap #theforeman