icons from
http://www.iconfinder.com/search/?q=iconset%3Adrf
http://www.iconfinder.com/search/?q=iconset%3Adatabase
http://www.iconfinder.com/search/?q=iconset%3ACornerStone
http://www.iconfinder.com/search/?q=iconset%3AProject_Icons___Version_1_1_9_by_bogo_d
http://www.iconfinder.com/search/19/?q=iconset%3Aoxygen
http://www.iconfinder.com/search/?q=iconset%3Acrystalproject
http://www.iconfinder.com/search/?q=iconset%3Ahumano2
http://www.iconfinder.com/search/?q=iconset%3Avistaico_toolbar-icons
http://www.iconfinder.com/search/?q=iconsset%3Adiscovery