I'm not much of a techie but the way i understand it (which may be wrong) is that the way you are posting pics saves the data on the cancon website, so takes up valuable space, and so two is all you're allowed at a time, and i think there's an overall space limit for the amount you personally can upload like that. The way I've been doing it is uploading to an image hosting website (which is free) and linking to it from here, and i don't think there's any limits of that. I think you click the paperclip button whereas i click the button which looks like a picture