How do you actually start a campaign?
Easy.
1. Download NXT client from NXT.org
2. You will need 1000 NXT (~ 8 USD) to issue an asset on NXT platform, this is hard-coded in the system.
3. Post your project description on nxtforum.org in asset board section an on other relative cryptocurrency and crowdfunding platforms. Promote it any way you like. Describe what the backers will receive in return for supporting your project.
4. Your asset will be bought by backers, use the funds you receive to kick start your project.
Should you have any questions - feel free to ask!