• To spare the clicking finger, the buttons for jumping to the next/previous preview image were replaced with a scroll bar.
• Potential division-by-zero errors in thumbnail generation have been handled.
• Thumbnail sizes have been set to a maximum edge length of 200 pixels. Previously, only the width was limited, allowing portrait thumbnails to exceed the 200-pixel standard. Even though Steam currently accepts oversized thumbnails, we stick to the standard to ensure they cannot exceed the 200x200 frame.