I wanted to do an image gallery in a post, where the linked image (a href) was different from the thumbnail's src. Unfortunately, WP seems completely incapable of doing this.
If I put the large image in the gallery, I can't specify a custom thumbnail. If I put the thumbnail in the gallery, I can't link the large image since "Link URL" appears to be broken. If I change the "Link URL" and then click "Save All Changes," it ignores whatever changes I make in the "Link URL" text box.
Since there appears that there is no way to do this from the front end (which seems ridiculous?), I went looking through my web site's directories in an attempt to find where the blog posts are stored, but they're not on "/wp/" nor "/wp/wp-content", so I'm sort of stumped here!