Ad managment could be effectively done for Joomla with the below extensions

AdSense Module

The AdSense Module allows you to place single or multiple Google AdSense units on the pages of your Joomla! site. The Extension supports the various Google options as well as the ability to randomize ad colors and to block ads from being displayed to certain IP addresses. This is a non-commercial Extension.
http://www.joomlaspan.com/Free-Extensions/Google-AdSense-Related-Modules/index.php

Easy AdSense for Joomla

Allows you to run one or more Google AdSense units on your pages. This simple Extension provides control over all key variables plus the ability to block an unlimited number of IPs and to use alternative messages when ads are not displayed. This is a non-commercial Extension.
http://www.wzcreativetechnology.com

Community Builder
Community Builder is an entire suite of Components and Modules that enable you to turn Joomla! into a community website with user pages and a high degree of user interactivity. There are a large number of Modules and Plugins available for Community Builder and integration of the Extension is widely supported by other common Extensions. This is a non-commercial Extension, but it does require registration to download.
http://www.joomlapolis.com/

JomSocial
The JomSocial Extension enables you to turn your Joomla! installation into a full blown social networking engine. The Extension is still relatively young, but the current release is feature rich and shows a great deal of promise. It is certainly your easiest, fastest route to a social networking website.
http://www.jomsocial.com/

AddThis Social Bookmarking
Integrates the AddThis social bookmarking button to your site. This is a non-commercial Extension.
http://www.informationmadness.com/cms/index.php?option=com_content&task=view&id=600&Itemid=1

The last few years has been a great year for webmasters, Drupal , Joomla and wordpress has come a long way and are now a very stable Opensource CMS that can be very handy and useful for developing stunning blogs and websites.

But when it comes to You making a website and deciding which to select for your website, It gets Difficult ! So the way out is Sit down a while, chill and write down your requirements, use the Pros and Cons below to analyse which is best for you for your requirement as all are great CMS softwares !

Magento is an open-source ecommerce web application launched on March 31, 2008. It was created by Varien, building on components of the Zend Framework. Magento is available under the Open Software License version 3.0. Since version 1.1.7 some parts are licensed under the Academic Free License version 3.0.

Magento Enterprise Edition, a paid for version of Magento aimed at larger companies, was launched on April 15, 2009

Below is a compilation of FREE magento themes ready for download

Updated post with more 80 magento templates to download – Dont forget to check that too!!

Free Magento Templates

Below is the compilation of the Best Opensource Shopping cart systems that are available on the web as of 2010 !

osCommerce is a free, open source online shop software. The default installation includes a large number of features that you can easily enable and configure. You can easily install osCommerce on your website with the help of the Fantastico auto-installer. With osCommerce shopping cart you can add multiple products on your site, organize them in categories, set discounts and special promotions. osCommerce allows you to set your prices in different currencies and accept all popular payment methods: PayPal, credit cards, cheques. osCommerce has a built-in shipping and tax functionalities.

website: http://www.oscommerce.com/

CREloaded project is built on the source code of osCommerce but it has extra contributions installed. It offers powerful shopping cart solutions in Standard, Pro and Pro B2B editions. With CREloaded you have the ability to distribute coupon codes, the template system is better, and you have an affiliate manager

Learn Web site Designing and Graphic Designing in 30 Days, At Ameerpet Hyderbad.

Course Details

1. Basic html
2. Linux cpanel training
3. order box training
4. Domain registration and Dns config  training
5. Hosting config training
6. Ftp training
7. Dreamweaver basics
8. Cute ftp basics
9. Phatoshop basics
10. Swish basics
11. Complete WordPress config training
12. Complete joomla configuration training
13. Database creation and basics
14. Php basics
15. Seo basics
16. 1 live project training

Additional Details Duration : 30  days course

Every monday to friday 1 hour class