Thanks for all the wonderful comments and helpful criticisms, first of all. I really appreciate constructive insight into my work thus far. And secondly, here's a quick, 30-second sketch on GIMP using a mouse:
My First Gimp Sketch (2011) GIMP
Plans to complete in the future under way! I've been inspired by Genevieve's proficiency and quickness in digital media, and it's definitely something I aspire towards.