A lot going on in this thread and some more people who are discussing about the MidiPal, nice! I was not here for some days. Rikrak, thanks for replying to the questions!
Currently (they can quickly be replaced), I use the 4 programs as follows:
1: velocities -> amp, aftertouch -> cue send, note off -> amp=0
2: velocities -> amp, aftertouch -> cue send
3: velocities -> amp, aftertouch -> filter wdth, note off -> amp=0
4: velocities -> amp, aftertouch -> filter wdth
Regarding cue send: studio mode, Strymon El Cap connected to Cue out/AB in.
As Rikrak said, setting routings like this up on the filter webpage is very straight-forward (involving some trial&error here and there).
@ triggering slices: yes, that’s not that straight-forward due to the Midi delay needed. based on a suggestion by Jonah, I got it working with the following workaround that involves some “finger precision” instead of delays: map notes (1-32) -> slice number, and hit a second pad to trigger notes. For instance, all 16 pads of the MPD32, or whatever drum controller you’re using, to one track, 8 of which select slices and other 8 play, for instance, a minor scale on the same track. with some practice, you can use that to trigger slices, and also play melodies.
Looking forward to hearing how all the people here in the thread (and maybe others as well) set their Midipals up!