WordPress Themes

For the layout of a WordPress Blog, you use themes.

But where can you find these themes, are they free or do you need to pay for them?
Do they have the Sponsor Links in them, or are they Search Engine Optimized?

Are there Designers specialists in WordPress Designs and how do you find them?

How can you change the Layout of a Theme, or just Customize some parts of the Design?

Those are a lot of questions, so I have split it into several pages each giving you information about the topic of your interest at this moment…