Rapid City artist A.Kaviraj has been sharing his wealth of art knowledge and experience online. Check out what he wrote for Comic Related.
You have to be able to draw well AND tell a clear story with your images. You have to know how to depict in an interesting yet clear manner the story which the writer has scripted. You have to think like a cinematographer, using interesting camera angles, and close ups when the drama requires it. You may have to choose to draw something less awesome, yet more clear. Always choose clarity over anything else, even if you have an awesome picture in mind.
The whole article is great if you are interested in the artistic process. Also, you can get a sneak look at pages from Rapid City #1.