My understanding is that that only applies to scenes other than the first scene. In any case, I’ve got a column of seven inline iFrames with Hype animations, some have multiple scenes and some do not. By making the top few load quickly and by making them interesting enough to delay scrolling for a few seconds, this solves some problems.
A frequently requested feature is the ability to directly control loads and preloads totally a la carte (e.g., preload specific images, trigger other loads by action keyframes, etc.). The latter would be great for single-scene image galleries, e.g., load the first image along with the next two and the last two, the click on a forward or backward button to trigger the loading of nearby offscreen images. The same thing could work with audio files, etc. This is a longstanding Director / Flash capability that, no doubt, will one day make it into Hype. I’m not expecting this to happen soon, but I will certainly welcome it when it arrives.