I've done this before by using GIMP's "color to alpha" and saving the output as a PNG. With this particular graphic, the output isn't quite right.

First: Find Your GIMP Folder In this tutorial, we'll be tweaking some configuration files in the GIMP's settings folder. This is in a different place on every system.

Have a text or image in your GIMP canvas and want to add some shadow to it, but don’t have a clue? In this tutorial, we will explain the process of adding shadow effects to your text or images.

GIMP has matured into a truly incredible photo-editing program. If you’re coming by way of Photoshop, however, use these tips to ease the transition.