The Gimp

Shortcuts to Common Tasks
scroll              : vertical movement ctrl+scroll         : horizontal movement shift+scroll / + / - : zoom ctrl+shift+e        : fit image in window f11                 : fullscreen

alt+scroll        : opacity +/- 10 alt+up / down     : opacity +/- 10 alt+left / right  : opacity +/- 1 shift+ctrl+scroll : select brush x                 : swap foreground/background colours d                 : black and white (Default colours) p                 : paint tool

ctrl+tab / pageup / pagedn / home / end : select active layer

When using paint tool: Ctrl picks colour

Stability Note
I don't know why, but my Gimp crashes quite a bit. I have to save all the time to avoid losing work. I wonder if anyone else has the same experience? It seems to crash when I exit the Preferences dialog...