GIMP Extension Pack

HI Folks;

I notice that the GIMP site now offers a downloadable extension pack for GIMP 2.8 (windows) loaded with some very useable plug-ins.

I tried to install it to GIMP Portable with no luck. Tried to trick the installer by loading GIMP on my PC then switching it out with GIMP Portable. It installed, but would not show up when I put GIMP Portable back on my memory stick.

Has anyone the knowhow or inclination to convert the plug-ins in the Windows extension pack so they will run with GIMP Portable?

Cheers