I'm pretty impressed. Are all of them 22mm? Even if they are 54 mm how in the world do you get your states and lettering in scale?
When doing stars, I cheat. I use a copy machine and reduce the stars down to the size I want then cut them out and glue them on to the flag. I tell myself they look sewn on when I do it that way.
I was wondering if you had an ancestorial reason for doing the 3rd Iowa.