Please, first of all, check the version of the theme you using now and make sure it is 2.5. If your theme is under 2.5, please update, here is the instruction how to do that: https://xtemos.com/docs/woodmart/update-theme-2/
If you use the recent version of the theme, please provide your site admin access and page URL with the problem.
We need to check your settings to help you. Instagram element shows images in the order they are on the source file. As soon as you provide admin access we shall be able to check