It is possible to use Photoshop plug-ins in Gimp under Windows. To use them you must install a Photoshop plug-in manager in Gimp called PSPI. PSPI is a plug-in itself. You ca download PSPI from its homepage. Install PSPI into Gimp folder in lib\gimp\2.0\plug-ins. Now start the Gimp and go to menu Xtns>Plug-in... 

Installing The Gimp   To be able to run The Gimp under Windows platform first thing you need to do is to install the GTK+ libraries. After installing this libraries you can install The Gimp. To run the latest version you need to have Windows 2000, XP, 2003 or Vista. To download The Gimp you...