GNU Paint is a simple, easy-to-use paint program.
It features:
    *  Drawing tools--ovals, freehand, polygon, text
    * Cut and paste by selecting irregular regions or polygons.
    * Print support using gnome-print (still flaky, will be improved upon next release)
    * Modern, ease-to-use user interface with tool and color palettes
    * Editing multiple image at the same time without runnng multiple instance of the image editor
    * All image processing features present in xpaint
Similar applications: 
    
                    MS Paint        
        Website: 
    
