It’s basically that. Given the recent re-proposals, charging 1-3% of the total liquidity as pool fee has a good chance of getting shareholders vote.
Your intermediate liquidity provision sounds very risky to me, despite the spread being relatively high. Any bigger Bitcoin price swing could result in serious losses for you, if you don’t monitor the charts 24/7 (which I assume you will not.)
Cryptsy is a big player in terms of volume and thus quite important, so I hope that woolly or desrever will come up with a wrapper quickly. cough cough 