Icon original authors:
[prev.png, next.png, pause.png, play.png, stop.png] - Lothar Grimme (http://www.grafixport.org/)
[item_delete.png, item_new.png, item_rename.png, item_save.png] - Emre Ozcelik (http://www.iconerz.com/)
[file_play.png, file_pause.png, file_stop.png] - PixelMixer (http://pixel-mixer.com/)
[bg.jpg] - WebTreats ETC (http://webtreats.mysitemyway.com/)
[folder.png, folder_play.png] - Alexander Moore (http://www.famfamfam.com/)
[check.png, uncheck.png] - Ivan Boyko (http://www.visualpharm.com/)
[up.png, down.png] - Alessandro Rei (http://www.mentalrey.it/)
[parent.png] - Everaldo Coelho (http://www.everaldo.com/)
