You cannot set the size freely, but you can play back slideshows in either of the following sizes.
・A size suited for the browser window of your computer
・Full screen (Clicking on the button in the lower right-hand corner during playback changes images to full screen size.)
・A size suited for the browser window of your computer
・Full screen (Clicking on the button in the lower right-hand corner during playback changes images to full screen size.)
