If you take a look at my gallery, you can see very different pics, the last pics are a bit similar, but the first are soooo basic and simple.
Check this progress:

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The first pic that I tried to make shadows with MS Paint.

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After some time, I tried manual shading without layers on Gimp.

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After making some drawings with my new tablet, I made up my mind to use the gradient tool.

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Here, I learned gradient shading and lightning. A few pics before, I learned to use layers too. (Now you can LOL at my face
)

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Now, I'm working on textures and backgrounds, and other colouring techniques.

Much time has passed since I tried to draw on the computer. I'll continue practising. Thanks to everyone that have seen my profile
(And sorry for my English >< )

I'll appreciate so much if anyone can tell me how to put thumbnails or little previews on the journal. Thanks!! *-*