Useful Links

• http://www.excellencemagentoblog.com/ 
• http://opensourcetalking.com/magento
• http://magento-tutorials.blogspot.in/
• http://www.magestore.com/blog/2012/08/03/magento-certificate-quote/
• http://codemagento.com/2011/03/magento-examples-blogs-and-tutorials/ 
• http://fishpig.co.uk/blog/
• http://blog.onlinebizsoft.com
• http://fishpig.co.uk/blog/magento-tutorials/ 
• http://store.redstage.com/blog/
• http://store.redstage.com/free-stuff.html 
• http://www.magebuzz.com/blog/category/tutorials
• http://www.magentocommerce.com/knowledge-base/entry/tutorial-using-magentos-import-export-profiles/ 
• http://expertmagentodevelopers.wordpress.com/
• http://www.magentogarden.com/blog/

Free Themes:

• http://expertmagentodevelopers.wordpress.com/2012/07/10/some-more-free-magento-1-7-themes-to-download/
• http://expertmagentodevelopers.wordpress.com/tag/custom-magento-theme/