A secure rewrite of timthumb.php as WordThumb – mm http://markmaunder.com/2011/08/04/a-secure-rewrite-of-timthumb-php-as-wordthumb/
Timthumb Alternative for WP Authors: mr-image-resize | ThemeForest Community Forums http://themeforest.net/forums/thread/timthumb-alternative-for-wp-authors-mrimageresize/89603?page=1
WordPress Image resizing function ยป An alternative to Timthumb.php http://matthewruddy.github.io/Wordpress-Timthumb-alternative/