QA: How would you like to improve your skills?

Q: I want to know how I can improve my skills in the following areas...
  Q1- (example: shading)
  Q2- (example: stronger lines)
  Q3- (example: how to color special effects)

A: This is how I (or others) have taught me how to improve on the above areas.
  A1-
  A2-
  A3-

The goal is for other people to help out and answer your questions or for you to share with others how you overcame your obstacles.

Please check out comments for other people's questions.