This script will replace the uploaded image (if bigger than the larger size defined in your settings) by the large image generated by WordPress to save space in your server, and save bandwidth if you link a thumbnail to the original image, like when a lightbox plugin is used.
While it is very cool to add pictures to your blog posts, dealing with image sizes can be a bit tricky sometimes, especially if you have no skills about image resizing. The solution to this problem is to use Timthumb and WordPress shortcode API. Just read on to find out!
What about displaying the author picture in your posts? Sure, you can use a well known hack to display a picture located in your theme directory, but what about using Gravatar? In this recipe, I’ll show you how you can easily get the post author gravatar and display it.