filters

http://graphicssoft.about.com/od/pluginsfiltersfree/Free_Filters_and_Plugins_for_Windows_and_Macintosh.htm

http://www.grafnet.com.pl/

http://www.ravingconcepts.com/plug-in_filters.html

http://www.photoshop-filters.com/index.htm

http://www.chezkyky.com/index1.htm
http://punkinstuff.tripod.com/