On Thursday, March 18, 2004, at 09:05 AM, jbv wrote: > get imagedata of img 1 > repeat with i=1 to 4 > put char i of whitepix into char (i+131400) of it > end repeat > set imagedata of img 1 to it > > what did I do wrong ? If your imageData was small you might change the length and that would corrupt the image. Dar Scott