This is great. I've not created a magazine but I've been curious about how Mods associate microblog posts with the magazine. I'm assuming that's through the "Tags" tab you describe on the moderation page.
There are a couple of things I'm still puzzled about, one is the distinction between upvote/boost (despite having been on here for a couple of months and read several explanations I'm still confused). The other, though it is a bit niche, is how to subscribe to an entire instance, which I know is possible (I think I even did it once) but is a very well hidden feature...