Hi, I've been rooting through the source for gimp-1.3.20 looking in vain for the functions that handle the layer combination modes. Can someone please point me to the right files? TIA, -- --Jeff Jeff Trefftzs <trefftzs@xxxxxxxx> http://www.tcsn.net/trefftzs Home Page http://gug.sunsite.dk/gallery.php?artist=68 Gimp Gallery http://trefftzs.topcities.com/ Photo Gallery