Pasti is a 3 column widget ready wordpress theme. The theme does not uses much images so could be termed as light yet quite colorful. The theme hosts 1 main bar and 2 sidebars. 1 sidebar is there for all the link blocks where as one block is reserved for search box and ads. Since this theme is widget enabled and if you have widget plug-in installed, you can change the order as you like.
There is an ad spot in the right column where Google/banner ads could be added easily. To add your code there remove everything between <li id=”ads”> and <li> in right_sidebar.php. If you have widget plugin installed then no problem.