One of the biggest European poker rooms Winamax, is giving 10 euros for free instantly after making the first deposit (plus a 100% bonus which you will unlock by collecting miles - points.) Minimum deposit only 10 euros, various payment methods.
It is only for Europeans or those who have a European bank account.
This poker room has very big tourneys including Winamax Series and Million dollar main event.
Also has satellites to various live tournaments, such as EPT, WSOP etc.
You also get various freebies by email, so it is definitely worth to check it out.