Summarize this article in one sentence.
Go on the website and make your account. You can find the link by looking at the top. Click on the "Don't have an account? Sign up" link, to be exact! Now, we get started! Find a good 50x50 icon by searching dA or an image hosting service. If you have the means, which you should if you don't have a monstrously old computer without paint, you can make your own. You can crop an image, original or not, and save it as a .gif preferably (especially if it's animated), or as a .png if it contains a lot of transparencies. When you log in, go to your settings which can be found in the tool bar. While there, you can also change your "signature", which will show up whenever you make a comment on someone else's work. Look around at popular pieces of art and look at the sayings under people's comments to get some ideas, though you should just do something original. Signatures can get old and show that you would just rather sway with the crowd than be creative. Begin a journal also. If you have something interesting to say, say it. Many people like to know "the-day-in-the-life-of" and it certainly helps gain views when you have some fans.

Summary:
Create an account. Activate it by responding to the email. Customize your page.