Does RLE in "RLE Guassian Blur" stands for Run-Length Encoding? Also, does IIR in "IIR G. B." stands for Infinite Impluse Responce? I'm preparing a lecture about the GIMP so I'd like to know what the initials mean. There's nothing in the code or documentation to explain it. Regards, Shlomi Fish ---------------------------------------------------------------------- Shlomi Fish shlomif@xxxxxxxxxxxxxxxxxxx Home Page: http://t2.technion.ac.il/~shlomif/ Home E-mail: shlomif@xxxxxxxxxx A more experienced programmer does not make less bugs. He just realizes what went wrong more quickly.