Add a blog to a theme

Hello Im running the marla theme; its really cool theme with a pintrest feel. I love the way it makes my homepage look, but to achieve this look i have to select “your latest post” to my home page. I also want to have a blog, but this renders my blog to just a blank page. I’ve tried to switch the template of my blog page so it would look more like a blog or even so i can just post a list of my post on this page, but the theme im running doesn’t have any page template options. any help would be greatly appreciated.