A: everyone can draw well.
B: everyone has access to a scanner.
C: writing skills are directly tied art to skills.
D: everyone who can draw well has enough free time on their hands.
E: being able to get more comics done faster is a bad thing.
(That was sarcasm, in case you couldn't tell.)
But hey, what do I know, I'm just some guy under the impression that people don't read comics for the art style.
Oh, and you can get sprites from "The Spriters Resource".