Earn free bitcoins:
Donate to this address: 1DaC8HVjqKnChPsNuqCZXhKgUwFZZDFCwM then I'll donate back 0.5 BTC, you have to donate at least 0.3 BTC.

So basicly. I'll double your sum. 
You donate 0.1 I'll give back 0.2, You donat 0.5 Ill give 1 BTC. :D