Although I have never been able to enjoy drawing directly on a graphics tablet, I often tweak the colors or add some details to my pen and pencil drawings on the computer. I usually use the trusty old GIMP on Linux.
Below are some of the colored or digitally retouched drawings from my Sketchbook:
No One Punches the Colonel
Dogged
Domesticated Mushroom
The Microorganisms Ballet
The Scarecrow's Daughter
A Grumpy Elephant On The Paraná River
The Tared Torus
The Chicken's Paw
Incomplete Metamorphosis
Where The Mud Rise Up
Solar Cow
Master of Tornadoes
Waiting Elephant
Saint Anthony of the Leaks
Cuttlefly
Invertebrate Moisture
Saint Lumbago Martyr
Tie Daemon
Patroska
Man Pointing To Southeast
Possible Adventures...
Don Valerio
Metric System
Betrayal
Illustration for lamujerdemivida magazine
Effluvium