Edit: Ok @Elliot, I think I figured out what our problem is…
We already have a custom field called “thumbnail_large” that we’ve been using for years before ACF and I just setup ACF to use the same “thumbnail_large” custom image field. This way all of our old posts could have their field’s automatically added as ACFs. I’ve seen this happen before with other custom fields and ACF text fields, and it worked.
In this case, however, it doesn’t seem like it’s doing what we want it to do. By adding an image as the ACF “thumbnail_large” field, it also adds the image’s ID as a default custom field. Because our conditional statement is working as it should, it sees that “thumbnail_large” is true, however, because ACF is adding the value as an id (in the backend) it tries to use just the id as a src and fails.
Is there a way to get the ACF to output the image’s value as the actual URL instead of the id in the backend editor?
