Edwin is a free responsive Tumblr blog theme that comes with a highly modern look. This theme comes with the option to use your custom background images and custom fonts. Not to mention, you can easily integrate Disqus comments with this theme and engage your visitors in the comments section. This theme also comes with an infinite scrolling feature that helps your users to access your posts without clicking any pagination button. Not to mention, this theme also comes with quick color customization options. This theme also supports any high-resolution image which you can use on the blog.