How to set a main image for products with variants and assign individual images to each variant with PicManager?
To upload different images for the main product and each variant, use the Automatic Match option. This feature lets you assign images to the corresponding products and their options based on name or SKU. Go to Apps > PicManager > Settings, and select matching by SKU or title:
As the next step, navigate to the Media assignment section and select to assign the image to variants, parent products and simple products:
Once you save the settings, navigate to Apps > PicManager > Image Upload and select the Automatic Upload, drop your images and click Start Uploading:
3. Check the results of the upload on the grid and click Finish Upload:
As the result, the corresponding images will be uploaded to the main product and its variant:
If the images are not matching correctly, try this article to troubleshoot the potential problems.