Well i really doubt the colouring part cause im a charcoal painter.and colour usually doesnt go so well with it.I really wanted to do digital art and have a new wacom manga too but i dont have a proper software.I tried installing photoshop about 40 times but everytime it says its missing a file.
Ohh charcoal is really nice. You can still get really good contrast without color, which is still eye catching (just use a scanner, that's really important).
In regards to uploading, I usually just upload everything onto Photobucket and then copy & paste the IMG link to the forum, it'll automatically appear as an image after posting.
But you'll have to make a new topic in the Creative Contraptions thread, otherwise people may confuse your preview work as your submission