Very cool, a challenge is a great way to stay motivated! If you’re looking to start the Concept portion of this site, I’d recommend diving into the courses in this order:
https://cgcookie.com/flow/introduction-to-digital-art
https://cgcookie.com/flow/introduction-to-traditional-drawing
And then pick any of the misc. Courses or Tutorials that sound appealing to you. And don’t forget to do some exercises, those are the fastest way to improve!
