Copy the Add-on ID
Click on the menu, and choose
Click Add-On > Browse and Instal
Paste the ID
I would actually install Pinyin ToolKit if you're new to it since it's a bit more user friendly,
The ID is
Once installed, you can open up Pinyin tool kit's preferences.
After this, click on the deck you want to study, open pinyin toolkit menu again and click "Fill Missing card data"
Alternatively, just use the pleco flashcard add-on for Android/iOS and you can skip all these steps. Simply save your Chinesepod vocab onto your phone (I save to dropbox and open in the app), and open that file in Pleco. This way it adds all the sounds,tone colours etc.
Click here for instructions on that.