Im looking for the fluid~ external, cant find it anywhere. Fluidsynth mention that its included with their package but I'm buggered if I can find it.
Looking for fluid~
If you download/install (at least as of 2018/03/24) a version of PD-L2Ork it shows up in the /usr/lib/pd-l2ork/extra directory.
From my initial testing, it appears to be vanilla-ready, so can be copied into ~/pd-externals and used from there (or where ever you want to point pd to it).