Cannot Change Insitus for Rectangle Fridge Magnets

[northwestphotos]

I want to change the insitu image for my rectangle style fridge magnets and cannot. When I try to change options, all of the insitus disappear to show only the first 3 basic appearances of the magnet.

https://www.zazzle.com/oregon_coast_scenic_seascape_magnet-256158763897611807

[Fiona]

I've flagged this now, thank you for your patience!