Google adsense module for Opencart this will work on all versions

Features pure html code

For Layout

Account
Affiliate
Category
Checkout
Default
Contact
Home
Information
Manufactured
Product
Sitemap

Positions:
Content top
Content bottom
Column left
Column right

you can have as many boxed to display as you wish

check my demo's out below

Default home page

Information page

Product page

also comes with installation instructions or free install if required

Free support also provided with this module