Mint Chip is a free Tumblr theme with a highly responsive layout. This theme is so light that it opens up your blog at blazing speed. Anyone can customize this theme and build a beautiful looking blog in no time. This theme comes with three custom text boxes where you can insert additional links or any other information. This theme supports a list of up to five links. Not to mention, you can even reverse the sidebar using this theme. Mind Chip theme gives you the option to disable or choose from either tiled or cover background. This theme even comes with customizable sidebar titles. You can even integrate this theme with Twitter and Disqus comments system without any hassle.