hello. am just reading your post am doing something simulare in a way. am running a small RPG game focus on small users to hep them get some more up votes. but always its a struggle to get users to understand what am doing etc. a sure you know of it. and it can help you to its called the up vote miner where you by just commenting get a post up vote and you can do different jobs the get different rewards. jump over and give it a read if you are interested if not its all good. :)

one small tip a see you are using SBI if you start up voting there accounts your pay out is much better. more the owning a lot of them