you don't have to change the graphics, but instead change the quality of the graphics in the output settings. You can also do the same to the mp3s there as well. Doing both will decrease your file size, and increase your bandwidth for playback. Different systems definatly will react to flash files differently. I try them on 2 different Win boxs, with diferent OS's as well, and on a couple Mac's before 'going live.' As for the audio being stretched, did you have your timeline already laid out? If so, when you add another layer to the timeline, it will stretch to the length of the longest layer in the timeline. So it would be longer then the audio. I believe it also incorrectly reads the time from mp3's and as such may drop it in longer then it should be. Something to do with the mp3 compression setings in the master output settings. If your file is a different streaming rate, it won't corralate to trhe file length. (Personaly, I think that there are a number of funky things about flash. But don't tell my computer, it's being good to me... at the moment! :>) As for wanting more, I was. It worked. Can't wait to see the next version! Good luck!