GIMP
Editing "bluring" your images with GIMP to create bokeh effect
Submitted by ggarron on Sat, 10/04/2008 - 13:56.If you like the bokeh effect in some pictures you can create it with GIMP, it may not be the same as created at the time of taking the picture (With lenses).
Check out this bokeh pictures
Well now lets see how to create kind of bokeh effect using GIMP
This is the original image:



