When I was young (by which I mean, 4-7 years old) I played plenty of games on the Amstrad CPC.
At 8 I got Laser Basic , which came with a built in sprite editor (operated by joystick or cursor keys), I started using the sprite editor, naturally. Some influences may have been:
* Batman
* Head over Heels
* New zealand story
* Ghosts n Goblins
* Lost caves
My first significant upgrade to that was PCPaint, when I was using a 286. I drew much more using PCPaint than I had with LaserBasic. I fought QBasic, trying to get it to display my pictures with proper colors in a way that was not a complete chore. I didn't succeed in that, though eventually I managed to set a truecolor mode and completely baffle Qbasic's graphics routines (on a 486 -- I was using RSE by then, which I maintain is still a good tool if you can get it to run these days..) Eventually I encountered Gimp, which I've been using since just after I finished the graphics for
Watman. I've always had a technical bent and the view that technology facilitates art, and in order to do your best in art you must also continue to make technical and technological improvements.
This may relate to the fact that I first coded at 4 (I can remember my exact first program: '10 print "Hello" 20 goto 10'

I've made an extensive set of plugins for gimp, and a number of enhancements (the ability to move to next/prev color in palette and the ability to use custom dither matrices were both implemented by me). My greatest technical achievement is probably my vector-based smooth scaling system(
example output ), which was designed for scaling or antialiasing sprites but can also scale 24bit pictures with comparable quality. Specifically, it was meant for the case where you have a small version of a sprite and you want a bigger one without needing to redraw it all. It does do that well and often the scaled sprites require only very minor editing before looking good. I haven't used it much artistically yet because it's not integrated in the UI yet; most of my plugins which
are built into the UI get a good workout.