[SaW]

http://www.youtube.com/watch?v=3ZZoX...eature=related - I will be a martyyr
http://www.youtube.com/watch?v=r_5IS...eature=related
http://www.youtube.com/watch?v=V7GCJ...eature=related - She-man.
http://www.youtube.com/watch?v=WYpKrg0IqU0 - Scroll to 30 secs.

Parodies:

http://www.youtube.com/watch?v=lXDgN...eature=related - A parody of Russia (Starts at 0:25)
http://www.youtube.com/watch?v=tfE1q...eature=related - A parody of France (Starts at 0:23)
http://www.youtube.com/watch?v=x_1vX...eature=related - Of Germany
http://www.youtube.com/watch?v=dzSOO...eature=related - Of Sweden (Yes, there is gays , starts at 0:12)

They were all pretty big hits, but still parodies and they are singing in the languages they are making a parody of (I think)

Into PROPER hits:
http://www.youtube.com/watch?v=zLVWeIhCIeo - In English
http://www.youtube.com/watch?v=A9GU3...eature=related - In English
http://www.youtube.com/watch?v=12CNBbw2N-M - One of the best metal bands in Finland
http://www.youtube.com/watch?v=CN9sD...eature=related - Another

http://www.youtube.com/watch?v=KmFsr57NAD8 - More finnish metal (In English)
http://www.youtube.com/watch?v=zbQZkqzh9p8 - Sonata Arctica - Tallulah
http://www.youtube.com/watch?v=_LgXh7F0dU8 - Stratovarius - Eagleheart
http://www.youtube.com/watch?v=lNLdT...eature=related - Stratovarius - Black Diamond

There's quite a lot. As you know, Finland is a metal music country