Use this plugin. Using FontMeister is easy. Enter your details for the individual providers in the "Font Sources" section of the plugin. Then go to the "Fonts" section, and pick the fonts you want to use. You can add your own selectors to the fonts, and the plugin will include them on your site.
The plugin supports fonts from:
Google Web Fonts
Note that you will need an API key (for each type!) to use it... AK47SEO