Oh well... The GD library has a few dependencies by itself. Here's a list of suspects:
- libfreetype_6__.dll
- libiconv_2__.dll
- libjpeg_9__.dll
- libpng16_16__.dll
- libtiff_5__.dll
- libXpm__.dll
- zlib1__.dll
That's just from the strings in libgd-3__.dll, I can't say whether the list is comprehensive. I'll probably get some time to experiment on my Windows box in a few days.
As an aside: As far as I can say, You don't need to provide the absolute path to the libraries. pp should find them as they're on pp's path.