Not sure when or why this started happening, but I noticed today that when I upload an image using the uploader, the Link URL now shows the attachment_id URL instead of the actual hosted location.
I'm not aware of any setting that specifies the image URL format, so I'm not sure what I've done to make WordPress use attachment_id URLs instead of /wp-content/uploads/ ones.
I would like the /wp-content/uploads/ because I'm using the arthemia theme, which requires the URL in a custom field to generate thumbnails, and it was easy just to grab the URL from the image uploader, rather than to have to go to the file manager of my hosting to get the URL.
Any advice how I can get the uploader to start showing URLs with /wp-content/uploads/ format again?