I noticed that even though Creator makes copies of your images when you import them, only the thumbnails are physically re-sized. The larger displayed images are the same size as the originals but simply scaled on the screen. This is a big waste of bandwidth and slows down publishing. It looks like 418 pixels is the actual max height of a displayed image and the width is variable up to around 900 pixels. Does that sound about right? So really imported images could be sized to a max height of 418 to lighten the store, correct?

To add to that: I'm am guessing that the copies of the images you import that Creator places in it's folders -with regard to the source of the large display images- are not re-saved in a different format but are literally just renamed file copies...?

When I did my shop a while back (don't have it available to look at now unfortunately, one of these days I should put it back up as a test shop or something lol), I was making my images 480 by 480, but I think a few others were doing 600 x 600 and it was working nicely for them. You should always resize your images as close as possible to the larger size you will be accommodating so you have the best page load rate.

And yes they are copies renamed for the program's needs.

Right. That's what I'm trying to find out is the size I'm accommodating. It would actually be best not to have any screen reduction of a larger image, though that is better than a screen enlargement of a smaller image. When I view the code of the on-line store, it shows the displayed large image (the one after you double click on the product image) as having a screen height of 418 pixels. So I assume that this is the max height that you ever need to make an image for import, as it will not have to be scaled up for display. This is my question, and I guess I'll just go with my assumption since it is verified by observing the online code... at least for my store. And there is no provision in Shopping Cart Designer (or Creator) for altering the larger product display images.