What I'd like to do - and I can't figure out how to do it in Arles - is to have my thumbs square. When you mix vertical and horizontal thumbs on a page - it doesn't look nice - doesn't have a pleasing layout. But if the thumbs are all square - it looks much nicer on the page. Not sure why I'm overly concerned about this though - guess I'm just a perfectionist and I want the galleries to look nice???
Is there a way to do this in Arles?
Here's a sample of what I'm talking about -
