Hi (Mariano)!I have successfully used OSSubprocess.After having saved the image and started again, I get an error:Any idea why?Cheers,Alexandre-- _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:Alexandre Bergel http://www.bergel.eu^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.