Purpose of Kolourpaint4
Kolourpaint4 is a simple Graphic editor (similar to MS Paint)... The main use of GIMP is for image retouching and editing, but is difficult to create simple images (eg. drawing a box, etc)...
I find Kolourpaint4 most similar to MS Paint (as opposed to gpaint) and recommend it for simple graphical creating and editing...
The Kolourpaint4 application has the following features:
Documentation
Kolourpaint Handbood: http://docs.kde.org/stable/en/kdegraphics/kolourpaint/index.html
Online Tutorials
Kolourpaint4 Tutorials:
Textbooks
Publication List: