This article will assist you with verifying the alignment of your optimized images.
Review Image Alignment
When you are on the order view, click the additional options dropdown menu and hover over the "Helper Guides" option. This will allow you to check the vertical, horizontal and square guide alignment options for your product images.
You can make multiple selections, in case you need to check for both the vertical and horizontal alignment at the same time. To remove a selection, simply double click on the alignment bar.