THIS IS GIMP BRUSH.IT'S MY SECOND VERSION OF BOKEH BRUSH.BEFORE THIS I MADE A PHOTOSHOP BRUSH BUT THIS ONE 100% USING GIMP.
HERE IS EXAMPLE OF THE RESULT USING THIS BRUSH.[link]
check out bokeh gimp tutorial here[link]
You can use them for your personal and comercial without linking me back..
p/s:it would be nice if you send me some of your work using that brush coz i like to see how people use it. that all.have fun with the brush.