is the left upper corner of a rectangle 720 widht and 430 every thing out of this rectangle is cut off. So you basic command must be mencoder -voc lavc -lavcopts your_options ...\ -vop scale640:272,crop=720:430:0:22 ... Regards Martín Ahora podés usar Yahoo! Messenger desde tu celular. Aprendé cómo hacerlo en Yahoo! Móvil: http://ar.mobile.yahoo.com/sms.html