1. offer some of your skills
try
http://bitgigs.com
http://www.reddit.com/r/Jobs4bitcoins
or
https://coinality.com/
2. sell things
3. earn by renting your signature space
Otherwise you have to scam others for BTC.
P.S. Vítej ve světě bitcoinů
Thanks , I also wanted to know about it being new in this. I understood the first two but would you please explain how do I rent my signature space?
This thread should be helpful to you, and it provides almost everything you need to know about signature deal.
https://bitcointalksearch.org/topic/overview-of-bitcointalk-signature-ad-campaigns-last-update-01-jan-23-615953