I need to make some standard DVDs for playback on unknown systems (i.e., maybe HD, maybe not). What is the optimum (and maximum) project size I should specify for the project. I can do this by trial and error but I thought maybe someone has a quick answer. My pictures are 3:2 format and I don't particularly want to change that. I am open to adding a background on which to overlay them to provide a better format. I've made DVDs before sized at 1024x768 with project set at "Virtual size of sl