Also ninja power down with 5-10% burning. If someone wants immediate power down of LEO, it can be done with 10% burning and 5% within 3 days. It will also prevent sudden pump and provides stakers fair chance to participate any swift bull run and also reduces LEO circulation.

Ad support at Steemleo.com. Most of the revenue (except the maintenance cost) can be used to buyback LEO and burn them permanently.

Paying LEO to be in featured post similar to Steemit's recent implementation.

Though complicated but LEO-STEEMP bot for liquidity can be used. Profit from the bot trading can used for buying back LEO and burn it.

Thinking hard for more burning ideas.