Promote your Freebitco.in referral link in forums by using the following code in your signature. Just replace my reflink with your own and modify whatever else you like.

[center][url=http://freebitco.in/?r=1880340][b][size=15pt][color=red]Win Free Bitcoins every hour! - [/color][color=green]www.freebitco.in[/color][/size][/b][/url][/center]