Adsense Not Working?

I am starting from scratch with a new blog today, added Wordpress, and found this wonderfully beautiful customizable theme, Atahualpa. The only downside to it so far is that I cannot figure out a way to add my adsense advertisements to the sidebar. HOW can this be achieved, what plugins are required, or what coding is need be done?

I have tried at least 10 plugins and NONE have achieved the desired effect.


my site is droid-sync.com

Thanks!