Certainly, and you don’t even need to ask, as the license info is in the sidebar. This blog is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License . . . which means the only restriction is that you can’t license it with greater restriction, you couldn’t add “No Derivatives” or “Non Commercial” or even “Copyright All Rights Reserved.”
However, even if your blog/webpage is itself published under a more restrictive licence, you can still use my work as long as you use the same or similar license as the one I’m using on the page on which you use it.