when you start pd gem gives some info on which image types are supported.
on windows 10 i had a lot of problems because of a missing dll (msvcr??).
one solution is to use malinette,
http://reso-nance.org/public/pd-malinette/test05/
to test,
for me it worked, but i think there are other solutions
yes, it's in the mailing list archives.