Unfinished pieces

After digging some files I noticed that I have awfully many unfinished drawings that I have coloured on photoshop. Many of them are tests where I have been trying to find out different ways to colour or ink digitally. The end results may not look special but I have learned some useful things during the progress.

You may also notice that some of the pictures in this collection have already been uploaded on this blog.

You can check another version in higher quality from here. 

Oh! And here's a random sketch of Negaduck.

I accidently coloured his hat black so I had to correct it digitally. But I have to confess that he looked slightly better in black...