

This has been tested on Raze 0.4.0 with both Redneck Rampage and Redneck Rampage Rides Again, and can be loaded in much the same way as most GZDoom mods - by drag and dropping on the EXE. This should also work fine with RedNukem (or to autoload in Raze if you so prefer) if you just unzip the PK3 to the same directory as REDNECK.GRP.
Many thanks to M210 for giving me this idea in the first place when he twiddled with doing the same thing in code in RedneckGDX. Not sure if it's still active there, though.
Download!