FlatBlog is another theme, That I've made for BlogEngine.

‌FlatBlog Theme for BlogEngine
FlatBlog Theme for BlogEngine

Setup social network buttons

open (site.master) file with a code editor or just a notepad. find below section and replace "#yourlink" with your link.

<nav class="Blog-Social">
    <li><a href="#yourlink" title="RSS"><img src="/blog/themes/FlatBlog/img/RSS.png" /></a></li>
    <li><a href="#yourlink" title="Facebook"><img src="/blog/themes/FlatBlog/img/facebook.png" /></a></li>
    <li><a href="#yourlink" title="Google Plus"><img src="/blog/themes/FlatBlog/img/googleplus.png" /></a></li>
    <li><a href="#yourlink" title="Twitter"><img src="/blog/themes/FlatBlog/img/twitter.png" /></a></li>
    <li><a href="#yourlink" title="LinkedIn"><img src="/blog/themes/FlatBlog/img/Linkedin.png" /></a></li>

Also, check the other themes that I've made.