julienvdg

hreflang Flag plugin uses <a href="http://www.w3.org/TR/css3-selectors/#attribute-selectors" title="W3C CSS3 Attribute selectors description" rel="nofollow ugc">css3 selectors</a> to add a flag icon to your links depending on their <a href="http://www.w3.org/TR/html401/struct/links.html#adef-hreflang" title="hreflang attribute description on W3C" rel="nofollow ugc">hreflang attribute</a>.
This is really useful if you regularly link to pages in other languages and you want to inform your visitors about the language of the link target.
It’s even more useful if your own blog is multilingual.

hreflang Flag

Add a flag icon to link corresponding to the hreflang attribute.

Complete Language Switcher is a plugin that allows you to setup your blog with multilingual support.
It also allows you to switch between languages with a nice list of flag which are easily styled.
Complete Language Switcher filters out the posts tagged with a certain language to displayed. Other languages will be hidden in the listings.
<pre><code>Note that this plugin requires the xili-language plugin in order to work.
</code></pre>

Complete Language Switcher

Switch between languages with ease using xili-language plugin. Displaying only the posts in the set language.

hreflang Flag vs Complete Language Switcher