The Twitter released its first official Twitter plugin for the WordPress platform. The plugin that allows you to add tons of Twitter features to your site easily.
You can also create it automatically Twitter cards for your pages, enables Twitter Analytics tracking, embeds video, and adds a button for tweets on publications from the administrator environment.
There is an option that allows you to adjust the appearance of the embedded tweets on your site, to match the theme that useste, along with a number of features that help users start advertising on Twitter (the latter does not work in Greece).
You can download the Twitter plugin from official WordPress page.