Tutorial9 has comes with a tutorial about how create an interface for a sleek audio player with Photoshop. The tutorial explained with detailed screenshot step by step. The tutorial was written by Jurgis and you can reach him by his twitter account.
Particle Tree has comes with a great tutorials for web developers and web designers. Creating a consistent interface for your users is a constant struggle for every application designer. Building consistency on the web is especially tough because the visual rendering differences across browsers and operating systems are wildly different and almost arbitrary in what can and cannot be done. No where does this become more apparent than when you’re dealing with form elements and the biggest loser of them all in the battle for a standardized look is the infamous Submit button.