At the same time, I've completed the sketches for my first doujinshi and am now about a fifth of the way into inking the pages. I expect the inking to go more quickly than the sketching, but everything that comes after that - screentones, drawing in word bubbles, etc. - will be completely new territory for me, and I'm not sure how quickly that will go. As much as I hoped to get the doujinshi e-published by the end of October, allowing it to do its thing while I'm plunking away at NaNoWriMo, I'm doubtful it'll be ready in time.
I'll arrange to post some of the work I've done for the doujinshi on the Nexus in the near future, and will start experimenting with digital "painting" techniques and software with the goal of producing the doujinshi's cover art in a more colorful medium.