You will find below a fork of the p2pool code with the 20% tax code disabled.
git clone git://github.com/repojohnray/p2pool-altcoins-drk-taxfree.git
Here is a public p2pool node using this fork code; You can join.
http://next.awiki.org:8175A very good idea. This coin goes in a very bad direction since the 'masternode' concept. And this 20% tax is very bad for the coin value. Giving free coins, like the classical premined concept, always results in a scam