Awww, that sucks! D:
I think that's why I steer away from paints... I've tried doing it in the past and I think I'm too fearful of that exact thing happening. But then again, the paints can be extremely beautiful when you know how to use them. :3
PC is all just draw it, fix anything that doesn't look proportionate, decide the color scheme, make a color scheme layer as you'd like to 'paint' it, and then brush everything in as a solidified idea - all the while having that trusty eraser I love so much.
I am not nearly as adventurous in my art styles...
I hate that you have to start over, but I reeeeeally want to see it now if you're trying again to make it. You never know, it might turn out even better now! I think it'll look great! ^^
I should encourage Shelley to draw/paint. Her best stuff is in charcoal.
How you can make something purely in black and white look good eludes me, but she's great at it! ^^