OSGeo map symbol set

Motivation
The OSGeo Cartographic Library and all software projects obviously need a free map symbol set.

Available Material

 * Free map symbol sets from GFOSS.it: Simboli cartografici: trees, geology, meteorology and north arrows
 * Free map icons from GRASS: various symbols

Other Technology
(please keep focus on free as in freedom technologies)

Microsoft has a symbol server

Interested people

 * Markus Neteler
 * Dave Sampson
 * Martin Landa