We’ve already shown you some beautiful sites built using WordPress. So now that you are inspired, you probably want to start building your own themes using this powerful and popular content management system. If you are just getting familiar with WordPress or even if you have been using it for a while, it’s a good idea to have some cheat sheets handy when building a theme. Here are 13 cheat sheets that I find to be very helpful.
Here's some other articles that you will definitely find useful.