(at the maximum amount of 20€).
All you have to do is:
Tudo o que têm de fazer é:
(make a NEW!!! comment for each one or else I won't be able to count them)
+1 - at your blog sidebar/post
+1 - at Facebook (public)
+1 - at Twitter
It's open internationally and ends at
14th December at 00:00 (London time).