Anders Qvicker is another guy who just has skillz when it comes to graphic design! He offers free for use a collection of 43 excellent tutorials for Adobe Photoshop 4,5, and 6. His tutorials teach you how to layer/blend in Photoshop 4, how to create seamless backgrounds, how to create an innerbevel, how to create dynamic interfaces, and how to create silver coins, just to name a few. You will find tutorials here you will not find anywhere else!
Andygraphics.com has over 11 Adobe Photoshop tutorials to choose from! Some selections include how to create outlines on text, how to add a drop shadow, how to create glow around an object, and more! From looking at his site, you can tell he knows how to create graphics! Following his Photoshop tutorials are a sure-fire way to get better as a graphic designer!
This guy is pure genius when it comes to graphic design! I remember when he opened up his first website years ago and I was just in awe of everything that he did. His website offers great Adobe Photoshop and Illustrator tips for download in .pdf formats. Some of his Photoshop tips include how to create steel text, how to slice a menu, how to create rounded buttons, and how to create a crack effect in your images. Check Designs By Mark out!
Nebulus Designs offers an exceptional amount of tutorials ranging from Adobe Photoshop to JavaScript applications. In between you can find tutorials on animation, using picture publisher and creating 3D images. My personal favorites are their "Photoshop in 21 days" series and JavaScript 101: From the Ground Up. Click on their "Learning" section.