Most Web Design Layouts are normally done in Photoshop and since its the most overused application on creating web layouts, The lessons collected here will show you how to create gorgeous and functional complete websites, blogs, layouts, nav menus and headers in Photoshop.
Here is a collection of 55 Web Design Layout & Menus Tutorials in Photoshop to teach you create your own layout for your website. Check them out, that will help you with designing a decent looking website. Some of them are really good!
Full post: 55 Photoshop Tutorials For Web Design Layouts