How to Optimize Image for Website

I have explained How to do perfect On-page optimization. In continuation my previous blog, Now I am explaining image optimization in SEO, which is a very important factor of On-page optimization. Let us discuss how to optimize web images according to guidelines of various search engine like Google, Yahoo, Bing etc. - See more at: http://findnerd.com/list/view/How-to-Optimize-Image-for-Website/6935/