Use Quake II Maps in Kingpin
To use the maps of Quake 2 in Kingpin, do the following:
download a Quake II editor like quark or qped
load it up and open the pak1.pak in your baseq2 directory
open the maps folder and right click on the ones you want
choose export file and save the bsp in you kingpin/main/maps
folder
if you don't have that folder make one, make sure you export the
folder textures and place
them in the kp texture directory