This link has been setup to ensure that those contributing to the iOS 5.1.1 untethered jailbreak for the new iPad, and pretty much all other recent iOS devices are equally compensated. Just like when you tip the waitress at the restaurant a portion goes to the hostess, bartender or cook.
There were again, many brilliant minds working together on the latest jailbreak packaged in Absinthe V2 for your convience. Here is the tweet from MuscleNerd that includes the same PayPal link for donations.
Again, here is the PayPal jailbreak donation link.