Hi!
I am going to publish a bounty program soon for an ICO. I would like to heard some Tricks & Tips from experience bounty programme developers, publishers and maintainers.

Cheers!
I would give you an advice to go through terms and conditions of all successful bounties that are posted on bitcointalk. Thats how you can collect a decent experience and knowledge to handle your bounty campaign.
Excellent suggestion. Have you ever taken a part of a bounty campaign yourself?