MinimalBible.github.io/_posts/2013-08-12-sample-link-post.md

layout	title	description	tags	comments	link
post	Sample Link Post	Example and code for using link posts.	sample post link post	true	http://mademistakes.com

So Simple Theme now supports link posts, made famous by John Gruber. To activate just add link: http://url-you-want-linked to the post's YAML front matter and you're done.