The Game File Formats site offers utilities to extract resources from Star Wars Starfighter and the C&C Renegade MP demo. The tutorial section on Skindom has several recent additions beefing up their knowledge base on the art of creating skin art for games. Also, in a blast from the past, there's a new Quark Map Making Tutorial on Rizenet.com outlining how to get started building your own maps using the venerable QuArK level editor.