i don't know how to make my own that's sounds too complex. i'm trying to figure out how to switch it from demo by using the payload option. but instruction number 1 is "flash payload to JB device" and i've searched the forums and i'm not seeing how you "flash" the payload.
Although I'm sure it's buried in an old thread somewhere here, offhand I can't recall seeing how to flash a payload to an iTouch so you may want to try a Google search for that if search here doesn't turn any leads up.
However, I was able to dig up the pre-patched PUP file on my PC and I can upload it for you if you wish... that way you won't have to waste time messing with payloads anyway. Let me know