Showing excerpt on homepage & archive

Hey Folks,
hey Anders,

first of all: I really love your themes. All of them. I’m using one of them for years now and it’s really awesome. Great work!

For a new project I’m using miyazaki. I love the clean and modern look. But I’d like to add the excerpt of the posts to the homepage and archive pages (category / tags). Is there an possibility that you can add this option? would be great!

cheers
ben