Thanks Charles, thanks Andreas i'll read the answers and try to do my best i the next few days, for the plug-ins cited by charles, yes, i'd like to include some plugins in imagej in the next .deb do you fill is better to make another imagej-plugins.deb or include it in the imagej.deb ? thanks a lot paolo -- NeuroScience PhD Post-doc @ University of Torino www.personalweb.unito.it/paolo.ariano www.cellular-neurophysiology.unito.it www.mieleria.it