actually i have it here (the drawing) and i want to take a picture using my webcam and instantly upload it
You will still have to save the image file from the webcam somewhere on your computer and then still do as Chascarrillo suggested. I hope that helps.
Start with small things like cartoon characters, then slowly expand over to anime/comic characters, then life portaits. Finally photorealistic drawings.
I have camtasia studio, the only thing I can think of is recording your drawing on some recording program, then making a screenshot and cropping out the pic. If you don't have a recording software you could invite someone who does to a skype call and then they make a screenshot and send you the pic. Maybe too complicated. I don't know.
That's one way, but personally I'd prefer beginning with "photorealistic". Understanding reality gives you the ability to open your third eye and start expressing yourself in other artistic styles. Of course it's fine starting doing another things, everyone has drawn cartoonish things in the corners of a textbook, but if you want to take it seriously, or even work as an animator or something related to drawings, I suggest learning to draw realistically. It's not as hard as everyone thinks, trust me. That's fine, as long as you have enthusiasm.
