Via the MyPaint page I came across this limited but interesting web based graphics utility, Harmony. I produced this in about 2 minutes. The idea would be then to take this and work it up in GIMP, in some way..
Just some concept design stuff I'm working on. Not sure where it's going but it's fun finding out.
Yes, you're right. Those clouds do look like croissants but I'll soon sort that out.