ok first of all to split an avi. are you going to burn it as a data cd or do you want to convert it to vcd or some other form, if you just want to burn it as a data cd and play it on your pc use kazaa or go to easy video splitter dot com and download the latest version of easy video splitter it is just as it is labled very easy!!!!!! Second if your wanting to convert it to vcd or svcd download dvd2svcd and it will convert it and split it to the perfect length for 2 cds!!!!! Good luck and enjoy BIGDADDY