Facebook still restrict the “square” image to 50px by 50px. Here is a clever way of generating a new thumbnail image for the user (on the fly) using the Facebook Graph API and the PHP GD2 library.
Facebook, Facebook Graph API, GD2, Image Manipulation
The Samsung CYFR Application was created to promote the new Samsung Genio Touch mobile phone – a budget touch screen mobile phone, available in a selection of colours. The application allowed users to send colourful messages to their friends.
Facebook, Image Manipulation