I've been creating more and more code examples and increasingly using GitHub for sharing code. I wanted to experiment with a few things so I <a href="http://shapeshed.github.com/">created a site</a> on <a href="http://pages.github.com/">GitHub pages</a>.
Grids are everywhere in the world. Appreciating grids can give you a visual language to understand how many designs work and in my opinion can help you greatly improve your own designs.
If you have lots of images you want to resize Photoshop can take care of it for you. Using Actions and Automate you can do it once then put your feet up. Here's how it works.