*** http://android-developers.blogspot.com/2010/07/multithreading-for-performance.html
http://www.technotalkative.com/android-asynchronous-image-loading-in-listview/
http://wptrafficanalyzer.in/blog/android-lazy-loading-images-and-text-in-listview-from-http-json-data/
http://thinkandroid.wordpress.com/2012/06/13/lazy-loading-images-from-urls-to-listviews/
http://vsvydenko.blogspot.com/2011/06/asynchronous-lazy-loading-and-caching.html
http://codehenge.net/blog/2011/06/android-development-tutorial-asynchronous-lazy-loading-and-caching-of-listview-images/
https://github.com/zonghai-li/android-http-image-manager
